Hill
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A hill is a landform that extends above the surrounding terrain. It often has a distinct summit, and is usually applied to peaks which are above elevation compared to the relative landmass, though not
Euganean Hills in Italy
Puijo Hill in Kuopio, Finland
Chocolate Hills of the Philippines
Hill of Aliawa in Erbil Governorate, Kurdistan Region
Geomorphology
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Geomorphology is the scientific study of the origin and evolution of topographic and bathymetric features generated by physical, chemical or biological processes operating at or near Earth's surface.
Badlands incised into shale at the foot of the North Caineville Plateau, Utah, within the pass carved by the Fremont River and known as the Blue Gate. G. K. Gilbert studied the landscapes of this area in great detail, forming the observational foundation for many of his studies on geomorphology.
Surface of Earth, showing higher elevations in red
Waves and water chemistry lead to structural failure in exposed rocks.
"Cono de Arita" at the dry lake Salar de Arizaro on the Atacama Plateau, in northwestern Argentina. The cone itself is a volcanic edifice, representing complex interaction of intrusive igneous rocks with the surrounding salt.