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What is earth’s albedo?

Albedo is the portion of solar energy reflected from the surface of the Earth back into space. It is a reflection coefficient and has a value of... View Article

What is a peneplain?

A peneplain (an almost plain) is a low-relief plain which is formed as a result of stream erosion. It is produced by fluvial erosion that would,... View Article

How is a waterfall formed?

The process of erosion, the wearing away of earth, plays an important part in the formation of waterfalls. When a river or stream flows over hard... View Article