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Hexafluoroethane timeseries at various latitudes.
Hexafluoroethane timeseries at various latitudes.
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Immiscible layers of colored water (top) and much denser perfluoroheptane (bottom) in a beaker; a goldfish and crab cannot penetrate the boundary; coi
Immiscible layers of colored water (top) and much denser perfluoroheptane (bottom) in a beaker; a goldfish and crab cannot penetrate the boundary; coins rest at the bottom.