1.
Spanish colonization of the Americas
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The Colonial expansion under the crown of Castile was initiated by the Spanish conquistadores and developed by its administrators and missionaries. The motivations for colonial expansion were trade and the spread of the Catholic faith through indigenous conversions and it is estimated that during the colonial period, a total of 18.6 million Spaniards settled in the Americas and a further 3.5 million immigrated during the post-colonial era. Spains loss of these last territories politically ended the Spanish rule in the Americas, the Catholic Monarchs Isabella of Castile, Queen of Castile and her husband King Ferdinand, King of Aragon, pursued a policy of joint rule of their kingdoms and created a single Spanish monarchy. Even though Castile and Aragon were ruled jointly by their respective monarchs, the Catholic Monarchs gave official approval for the plans of Genoese mariner Christopher Columbus for a voyage to reach India by sailing West. The funding came from the queen of Castile, so the profits from Spanish expedition flowed to Castile, in the extension of Spanish sovereignty to its overseas territories, authority for expeditions of discovery, conquest, and settlement resided in the monarchy. Columbus made four voyages to the West Indiesas the monarchs granted Columbus the governorship of the new territories and he founded La Navidad on the island later named Hispaniola, in what is present day Haiti on his first voyage. After its destruction by the indigenous Taino people, the town of Isabella was begun in 1493, in 1496 his brother, Bartholomew, founded Santo Domingo. By 1500, despite a death rate, there were between 300 and 1000 Spanish settled in the area. The local Taíno people continued to resist, refusing to plant crops, the first mainland explorations were followed by a phase of inland expeditions and conquest. In 1500 the city of Nueva Cádiz was founded on the island of Cubagua, Venezuela, the Spanish founded San Sebastian de Uraba in 1509 but abandoned it within the year. There is indirect evidence that the first permanent Spanish mainland settlement established in the Americas was Santa María la Antigua del Darién, the Spanish conquest of Mexico is generally understood to be the Spanish conquest of the Aztec Empire which was the base for later conquests of other regions. Later conquests were protracted campaigns with less spectacular results than conquest of the Aztecs, but not until the Spanish conquest of Peru was the conquest of the Aztecs matched in scope by the victory over the Inca empire in 1532. The Spanish conquest of the Aztec empire was led by Hernán Cortés, the victory over the Aztecs was relatively quick, from 1519 to 1521, and aided by his Tlaxcala and other allies from indigenous city-states or altepetl. These polities allied against the Aztec empire, to which they paid tribute following conquest or threat of conquest, leaving the political hierarchy. The Spanish conquest of Yucatán was a longer campaign, from 1551 to 1697, against the Maya peoples in the Yucatán Peninsula of present-day Mexico. When Hernán Cortés landed ashore at present day Veracruz and founded the Spanish city there on April 22,1519, Spain colonized and exerted control of Alta California through the Spanish missions in California until the Mexican secularization act of 1833. It was the first step in a campaign that took decades of fighting to subdue the mightiest empire in the Americas. In the following years Spain extended its rule over the Empire of the Inca civilization, in the following years the conquistadors and indigenous allies extended control over Greater Andes Region
2.
Colombia
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Colombia, officially the Republic of Colombia, is a transcontinental country largely situated in the northwest of South America, with territories in Central America. Colombia shares a border to the northwest with Panama, to the east with Venezuela and Brazil and to the south with Ecuador and it shares its maritime limits with Costa Rica, Nicaragua, Honduras, Jamaica, Haiti and the Dominican Republic. It is a unitary, constitutional republic comprising thirty-two departments, the territory of what is now Colombia was originally inhabited by indigenous peoples including the Muisca, the Quimbaya and the Tairona. The Spanish arrived in 1499 and initiated a period of conquest and colonization ultimately creating the Viceroyalty of New Granada, independence from Spain was won in 1819, but by 1830 the Gran Colombia Federation was dissolved. What is now Colombia and Panama emerged as the Republic of New Granada, the new nation experimented with federalism as the Granadine Confederation, and then the United States of Colombia, before the Republic of Colombia was finally declared in 1886. Since the 1960s the country has suffered from an asymmetric low-intensity armed conflict, Colombia is one of the most ethnically and linguistically diverse countries in the world, and thereby possesses a rich cultural heritage. Cultural diversity has also influenced by Colombias varied geography. The urban centres are located in the highlands of the Andes mountains. Colombian territory also encompasses Amazon rainforest, tropical grassland and both Caribbean and Pacific coastlines, ecologically, it is one of the worlds 17 megadiverse countries, and the most densely biodiverse of these per square kilometer. Colombia is a power and a regional actor with the fourth-largest economy in Latin America, is part of the CIVETS group of six leading emerging markets and is an accessing member to the OECD. Colombia has an economy with macroeconomic stability and favorable growth prospects in the long run. The name Colombia is derived from the last name of Christopher Columbus and it was conceived by the Venezuelan revolutionary Francisco de Miranda as a reference to all the New World, but especially to those portions under Spanish and Portuguese rule. The name was adopted by the Republic of Colombia of 1819. When Venezuela, Ecuador and Cundinamarca came to exist as independent states, New Granada officially changed its name in 1858 to the Granadine Confederation. In 1863 the name was changed, this time to United States of Colombia. To refer to country, the Colombian government uses the terms Colombia. Owing to its location, the present territory of Colombia was a corridor of early human migration from Mesoamerica, the oldest archaeological finds are from the Pubenza and El Totumo sites in the Magdalena Valley 100 km southwest of Bogotá. These sites date from the Paleoindian period, at Puerto Hormiga and other sites, traces from the Archaic Period have been found
3.
Venezuela
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Venezuela, officially the Bolivarian Republic of Venezuela, is a federal republic located on the northern coast of South America. It is bordered by Colombia on the west, Brazil on the south, Guyana on the east, Venezuela covers 916,445 km2 and has an estimated population of 31775371. The territory now known as Venezuela was colonized by Spain in 1522 amid resistance from indigenous peoples and it gained full independence as a separate country in 1830. During the 19th century, Venezuela suffered political turmoil and autocracy, since 1958, the country has had a series of democratic governments. This new constitution changed the name of the country to República Bolivariana de Venezuela. Venezuela is a presidential republic consisting of 23 states, the Capital District. Venezuela also claims all Guyanese territory west of the Essequibo River, oil was discovered in the early 20th century, and Venezuela has the worlds largest known oil reserves and has been one of the worlds leading exporters of oil. Previously an underdeveloped exporter of commodities such as coffee and cocoa, oil quickly came to dominate exports. The recovery of oil prices in the early 2000s gave Venezuela oil funds not seen since the 1980s, the Venezuelan government then established populist policies that initially boosted the Venezuelan economy and increased social spending, significantly reducing economic inequality and poverty. However, such policies later became controversial since they destabilized the economy, resulting in hyperinflation, an economic depression. According to the most popular and accepted version, in 1499, the stilt houses in the area of Lake Maracaibo reminded the navigator, Amerigo Vespucci, of the city of Venice, so he named the region Veneziola Piccola Venezia. The name acquired its current spelling as a result of Spanish influence, where the suffix -uela is used as a term, thus. The German language 16th century-term for the area, Klein-Venedig, also means little Venice, however, Martín Fernández de Enciso, a member of the Vespucci and Ojeda crew, gave a different account. In his work Summa de geografía, he states that they found people who called themselves the Veneciuela. Thus, the name Venezuela may have evolved from the native word and it is not known how many people lived in Venezuela before the Spanish conquest, it has been estimated at around one million. In addition to indigenous peoples known today, the population included historic groups such as the Kalina, Auaké, Caquetio, Mariche, the Timoto-Cuica culture was the most complex society in Pre-Columbian Venezuela, with pre-planned permanent villages, surrounded by irrigated, terraced fields. They also stored water in tanks and their houses were made primarily of stone and wood with thatched roofs. They were peaceful, for the most part, and depended on growing crops, regional crops included potatoes and ullucos
4.
Calabozo
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It is the seat of the Roman Catholic archdiocese of Calabozo. Calabozo is situated in the midst of an extensive llano on the bank of the Guárico River. In its vicinity are thermal springs, the principal occupation of its inhabitants is cattle-raising. The town is built, regularly laid out with streets crossing at right angles, and possesses several fine old churches. It is a place of commercial importance because of its situation in the midst of a rich cattle-raising country. It is believed to have been an Indian town originally, and was made a town as one of the stations of the Compañía Guipuzcoana de Caracas in 1730. However, like most Venezuelan towns, Calabozo made little growth during the 19th century, in 1820 the Spanish forces under Francisco Tomás Morales were defeated here by the revolutionists under Simón Bolívar and José Antonio Páez. Its waters have accumulated numbers of Caribbean fish, this book changed the economic face of Calabozo happened to become the pilot site of a complex agricultural economy. The irrigation system has encouraged the cultivation of rice, maize, pulses, snuff, tomatoes, paprika, cotton and this article incorporates text from a publication now in the public domain, Herbermann, Charles, ed. article name needed
5.
Magdalena Department
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Magdalena is a department of Colombia, located to the north of the country by the Caribbean Sea. The capital of the Magdalena Department is Santa Marta and was named after the Magdalena River and it inherited the name of one of the original nine states of the United States of Colombia that its current territory integrated. The Department of Magdalena is located on the North Coast of the Colombian Caribbean Region, on the north it borders the Caribbean Sea. On the northeast it borders the La Guajira Department, being divided by the Palomino River, on the east it borders with the Cesar Department, which is in part divided by the Guaraní River. On the west, it is divided by the Magdalena River, and it borders the departments of Atlantico in the Northwest, the territory of the Department of Magdalena is formed by four drainage basins which are very different in composition and importance. Sierra Nevada’s Northern Slope The drainage basin of the Sierra Nevada’s western slope is located in the part of the department. The Sierra Nevada de Santa Marta creates different rivers that run mainly through the municipality of Santa Marta, and that finally end up draining into the Caribbean Sea. Magdalena Basin The Magdalena River Basin is the largest drainage basin in the department, it is formed by the Magdalena River and its tributaries that feed on to the river and the Marsh. The Mompóx Depression is found within this basin, this runs from the Zapatosa Marsh to the delta of the Magdalena River. This depression collects the most water in the department as its where the Cauca River, Cesar River, marshes The department of Magdalena is characterized by its many marshes and extensive marshland valleys. The whole western side of the department its dotted with marshes and lakes due to the Magdalena River that borders the department on this side, most of this marshes are located in the northwestern side. The permanent marshes are, Chilloa, La Rinconada, Tesca, Pijiño, Juan Criollo, Jaraba, Playa Afuera, Ciénaga Grande de Santa Marta, and Zapatosa. It is located in the northwest of the department and is separated from the sea by a thin margin of land. It has an extension of 4,280 km², of whitch 730 km² are just water mirrors with a depth of 2 to 6 meters. The Zapatosa Marsh, located in the municipality of El Plato in the southernmost part of the department, it is shared with the Cesar Department and it has an extension of 310 km² and at its deepest it reaches about 8m. In it many rivers of different importance merge, the Zapatosa Marsh drains into the Magdalena River by an arm of about 16 km of length. The Department of Magdalena, because of its terrain, and proximity to the sea has an unstable weather and its Climate is mainly dictated by its global positioning, and because the department of Magdalena is located on the Intertropical Convergence Zone it possess an inter-tropical climate. Temperature in the department is affected by currents, precipitation and atmospheric pressure, it mainly has a hot temperatures with high humidity
6.
Guajira-Barranquilla xeric scrub
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The Guajira-Barranquilla xeric scrub is a xeric shrubland ecoregion in Colombia and Venezuela, covering an estimated area of 150,000 km2. Rainfall varies from 125 to 1,000 mm, and the temperature is 26 °C. The ecoregion occupies the Guajira Peninsula, the valley of Rancheria river and Guajira Department, the valleys lie in the rain shadow of the surrounding Serranía de Macuira, which reaches an elevation of 900 m over sea level. These mountains trap some of the winds, causing mist. An important tourist destination in the area is Cabo de la Vela, the ecoregion is dominated by thorny trees and succulents. Common species include Acacia glomerosa, Bourreria cumanensis, Bulnesia arborea, Caesalpinia coriaria, Copaifera venezolana, jacquinia pungens, Malpighia glabra, Myrospermum frutescens, Opuntia caribaea, Pereskia guamacho, Piptadenia flava, Prosopis juliflora, and Stenocereus griseus. Forests dominated by Lonchocarpus punctatus are often accompanied by Bunchosia odorata, other forests exist in which Prosopis juliflora, Erythrina velutina and Clerodendron ternifolium are dominant. A variety of plant communities occur where two plant species are dominant, the ecoregion is notable for being the habitat of a large community of Caribbean flamingo, besides a diversity of birds and bats. Most of the Serranía de Macuira lies within National Natural Park of Macuira, nearby is the 80 km2 Los Flamencos Sanctuary, which is a center of plant diversity for species of Hechtia, Salvia, and cactus. Of the 2700 species found within, approximately 30% are endemic, martha Ligia Castellanos, Luis Carlos Pardo L.2000. Caracterización y primera aproximación a la determinación del índice de biodiversidad en los suelos de la cuenca del arroyo Mekijanao, Serranía de la Macuira, en, Juan Carlos Pérez X Congreso Nacional de la Ciencia del Suelo. El suelo un componente del medio natural, medellín, Octubre 11 al 13 de 2000 Edith González, Gabriel Guillot, Néstor Miranda, Diana Pombo
7.
Desert
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A desert is a barren area of land where little precipitation occurs and consequently living conditions are hostile for plant and animal life. The lack of vegetation exposes the unprotected surface of the ground to the processes of denudation, about one third of the land surface of the world is arid or semi-arid. This includes much of the regions where little precipitation occurs. Deserts can be classified by the amount of precipitation falls, by the temperature that prevails. Deserts are formed by weathering processes as large variations in temperature between day and night put strains on the rocks which consequently break in pieces, although rain seldom occurs in deserts, there are occasional downpours that can result in flash floods. Rain falling on hot rocks can cause them to shatter and the resulting fragments and this picks up particles of sand and dust and wafts them aloft in sand or dust storms. Wind-blown sand grains striking any solid object in their path can abrade the surface, rocks are smoothed down, and the wind sorts sand into uniform deposits. The grains end up as level sheets of sand or are piled high in billowing sand dunes, other deserts are flat, stony plains where all the fine material has been blown away and the surface consists of a mosaic of smooth stones. These areas are known as desert pavements and little further erosion takes place, other desert features include rock outcrops, exposed bedrock and clays once deposited by flowing water. Temporary lakes may form and salt pans may be left when waters evaporate, there may be underground sources of water in the form of springs and seepages from aquifers. Where these are found, oases can occur, plants and animals living in the desert need special adaptations to survive in the harsh environment. Plants tend to be tough and wiry with small or no leaves, water-resistant cuticles, some annual plants germinate, bloom and die in the course of a few weeks after rainfall while other long-lived plants survive for years and have deep root systems able to tap underground moisture. Animals need to cool and find enough food and water to survive. Many are nocturnal and stay in the shade or underground during the heat of the day and they tend to be efficient at conserving water, extracting most of their needs from their food and concentrating their urine. Some animals remain in a state of dormancy for long periods and they then reproduce rapidly while conditions are favorable before returning to dormancy. People have struggled to live in deserts and the surrounding lands for millennia. Nomads have moved their flocks and herds to wherever grazing is available, the cultivation of semi-arid regions encourages erosion of soil and is one of the causes of increased desertification. Many trade routes have been forged across deserts, especially across the Sahara Desert, large numbers of slaves were also taken northwards across the Sahara
8.
Mist
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Mist is a phenomenon caused by small droplets of water suspended in air. Physically, it is an example of a dispersion and it is most commonly seen where warm, moist air meets sudden cooling, such as in exhaled air in the winter, or when throwing water onto the hot stove of a sauna. It can be created artificially with aerosol canisters if the humidity and it can also occur as part of natural weather, when humid air cools rapidly, for example when the air comes into contact with surfaces that are much cooler than the air. The formation of mist, as of other suspensions, is aided by the presence of nucleation sites on which the suspended water phase can congeal. The only difference between mist and fog is visibility, the phenomenon is called fog if the visibility is one kilometre or less. In the UK the definition of fog is visibility less than 100 metres, otherwise it is known as mist. Mist makes a beam of light visible from the side via refraction and reflection on the water droplets. Scotch mist is a steady drizzle. Mist usually occurs near the shores, and is associated with fog. Mist can be as high as mountain tops when extreme temperatures are low, freezing mist is similar to freezing fog, only the density is less and the visibility greater. Aerosol Aeroponics Brocken spectre Drizzle Haze Spray
9.
Protected area
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Protected areas or conservation areas are locations which receive protection because of their recognized natural, ecological or cultural values. There are several kinds of protected areas, which vary by level of protection depending on the laws of each country or the regulations of the international organisations involved. There are over 161,000 protected areas in the world with more added daily, by contrast, only 1. 17% of the worlds oceans is included in the worlds ~6,800 Marine Protected Areas. Protected areas are essential for biodiversity conservation, often providing habitat, Protection helps maintain ecological processes that cannot survive in most intensely managed landscapes and seascapes. Generally, protected areas are understood to be those in human occupation or at least the exploitation of resources is limited. As a result, Protected Areas can encompass a range of governance types. Indeed, governance of protected areas has emerged a critical factor in their success, subsequently, the range of natural resources that any one protected area may guard is vast. Of all global terrestrial carbon stock,15. 2% is contained within protected areas, Protected areas in South America hold 27% of the worlds carbon stock, which is the highest percentage of any country in both absolute terms and as a proportion of the total stock. Rainforests,18. 8% of the worlds forest is covered by protected areas, of the 670 ecoregions with forest cover, 54% have 10% or more of their forest cover protected under IUCN Categories I – VI. Mountain protected area coverage has increased globally by 21% since 1990, the categories provide international standards for defining protected areas and encourage conservation planning according to their management aims. Protecting places and resources is by no means a modern concept, over 2000 years ago, royal decrees in India protected certain areas. In Europe, rich and powerful people protected hunting grounds for a thousand years, moreover, the idea of protection of special places is universal, for example, it occurs among the communities in the Pacific and in parts of Africa. However, the protected areas movement doesnt begin until late nineteenth-century in North America, Australia, New Zealand and South Africa. While the idea of protected areas spread around the world in the twentieth century, thus, in North America, protected areas were about safeguarding dramatic and sublime scenery, in Africa, the concern was with game parks, in Europe, landscape protection was more common. The spectrum of benefits and values of protected areas is recognised not only ecologically, international programmes for the protection of representative ecosystems remain relatively progressive, with less advances in marine and freshwater biomes. There is increasing pressure to take account of human needs when setting up protected areas. Such negotiations are never easy but usually stronger and longer-lasting results for both conservation and people. In some countries, protected areas can be assigned without the infrastructure and networking needed to substitute consumable resources, one of the main concerns regarding protected areas on land and sea is their effectiveness at preventing the ongoing loss of biodiversity
10.
Coal
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Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. The harder forms, such as coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure. Coal is composed primarily of carbon, along with quantities of other elements, chiefly hydrogen, sulfur, oxygen. A fossil fuel, coal forms when plant matter is converted into peat, which in turn is converted into lignite, then sub-bituminous coal, after that bituminous coal. This involves biological and geological processes that take place over time, throughout history, coal has been used as an energy resource, primarily burned for the production of electricity and heat, and is also used for industrial purposes, such as refining metals. Coal is the largest source of energy for the generation of electricity worldwide, the extraction of coal, its use in energy production and its byproducts are all associated with environmental and health effects including climate change. Coal is extracted from the ground by coal mining, since 1983, the worlds top coal producer has been China. In 2015 China produced 3,747 million tonnes of coal –47. 7% of 7,861 million tonnes world coal production, in 2015 other large producers were United States, India, European Union and Australia. The word originally took the col in Old English, from Proto-Germanic *kula. In Old Turkic languages, kül is ash, cinders, öčür is quench, the compound charcoal in Turkic is öčür kül, literally quenched ashes, cinders, coals with elided anlaut ö- and inflection affixes -ülmüş. At various times in the geologic past, the Earth had dense forests in low-lying wetland areas, due to natural processes such as flooding, these forests were buried underneath soil. As more and more soil deposited over them, they were compressed, the temperature also rose as they sank deeper and deeper. As the process continued the plant matter was protected from biodegradation and oxidation and this trapped the carbon in immense peat bogs that were eventually covered and deeply buried by sediments. Under high pressure and high temperature, dead vegetation was slowly converted to coal, as coal contains mainly carbon, the conversion of dead vegetation into coal is called carbonization. The wide, shallow seas of the Carboniferous Period provided ideal conditions for coal formation, the exception is the coal gap in the Permian–Triassic extinction event, where coal is rare. Coal is known from Precambrian strata, which predate land plants — this coal is presumed to have originated from residues of algae, in its dehydrated form, peat is a highly effective absorbent for fuel and oil spills on land and water. It is also used as a conditioner for soil to make it able to retain. Lignite, or brown coal, is the lowest rank of coal, jet, a compact form of lignite, is sometimes polished and has been used as an ornamental stone since the Upper Palaeolithic
11.
Natural gas
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It is formed when layers of decomposing plant and animal matter are exposed to intense heat and pressure under the surface of the Earth over millions of years. The energy that the plants originally obtained from the sun is stored in the form of bonds in the gas. Natural gas is a fuel used as a source of energy for heating, cooking. It is also used as fuel for vehicles and as a feedstock in the manufacture of plastics. Natural gas is found in underground rock formations or associated with other hydrocarbon reservoirs in coal beds. Petroleum is another resource and fossil fuel found in proximity to. Most natural gas was created over time by two mechanisms, biogenic and thermogenic, biogenic gas is created by methanogenic organisms in marshes, bogs, landfills, and shallow sediments. Deeper in the earth, at temperature and pressure, thermogenic gas is created from buried organic material. In petroleum production gas is burnt as flare gas. The World Bank estimates that over 150 cubic kilometers of gas are flared or vented annually. Before natural gas can be used as a fuel, most, Natural gas is often informally referred to simply as gas, especially when compared to other energy sources such as oil or coal. However, it is not to be confused with gasoline, especially in North America, Natural gas was used by the Chinese in about 500 BCE. They discovered a way to transport gas seeping from the ground in crude pipelines of bamboo to where it was used to salt water to extract the salt. The worlds first industrial extraction of gas started at Fredonia, New York. By 2009,66000 km³ had been used out of the total 850000 km³ of estimated remaining reserves of natural gas. An annual increase in usage of 2–3% could result in currently recoverable reserves lasting significantly less, unwanted natural gas was a disposal problem in the active oil fields. If there was not a market for natural gas near the wellhead it was expensive to pipe to the end user. In the 19th century and early 20th century, unwanted gas was burned off at oil fields
12.
Bow and arrow
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The bow and arrow is a projectile weapon system that predates recorded history and is common to most cultures. Archery is the art, practice, or skill of applying it, a bow is a flexible arc that shoots aerodynamic projectiles called arrows. A string joins the two ends of the bow and when the string is drawn back, the ends of the bow are flexed, when the string is released, the potential energy of the flexed stick is transformed into the kinetic energy of the arrow. Archery is the art or sport of shooting arrows from bows, today, bows and arrows are used primarily for hunting and for the sport of archery. Someone who makes bows is known as a bowyer, and one who makes arrows is a fletcher —or in the case of the manufacture of arrow heads. The bow and arrow appears around the transition from the Upper Paleolithic to the Mesolithic, at the site of Nataruk in Turkana County, Kenya, obsidian bladelets found embedded in a skull and within the thoracic cavity of another skeleton, suggest the use of stone-tipped arrows as weapons. After the end of the last glacial period, use of the bow seems to have spread to every inhabited continent, including the New World, the oldest extant bows in one piece are the elm Holmegaard bows from Denmark which were dated to 9,000 BCE. High-performance wooden bows are made following the Holmegaard design. Microliths discovered on the south coast of Africa suggest that arrows may be at least 71,000 years old, the bow was an important weapon for both hunting and warfare from prehistoric times until the widespread use of gunpowder in the 16th century. Organised warfare with bows ended in the mid 17th century in Europe, the British upper class led a revival of archery from the late 18th century. Sir Ashton Lever, an antiquarian and collector, formed the Toxophilite Society in London in 1781, under the patronage of George, the basic elements of a bow are a pair of curved elastic limbs, traditionally made from wood, joined by a riser. Both ends of the limbs are connected by a known as the bow string. By pulling the string backwards the archer exerts compressive force on the section, or belly, of the limbs as well as placing the outer section, or back. While the string is held, this stores the energy released in putting the arrow to flight. The force required to hold the string stationary at full draw is used to express the power of a bow. Other things being equal, a draw weight means a more powerful bow. The various parts of the bow can be subdivided into further sections, the topmost limb is known as the upper limb, while the bottom limb is the lower limb. At the tip of each limb is a nock, which is used to attach the bowstring to the limbs, the riser is usually divided into the grip, which is held by the archer, as well as the arrow rest and the bow window
This article incorporates text from a publication now in the public domain: Herbermann, Charles, ed. (1913). "article name needed". Catholic Encyclopedia. New York: Robert Appleton. [1]
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