Geography
Explain the following terms:
- Exfoliation
- Oxidation
Weathering
ICSE
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Answer
Exfoliation — Exfoliation is the weathering process by which concentric shells, slabs, sheets, or flakes are successively broken loose and stripped away from a rock mass. This kind of weathering is also known as Onion Peeling.
Oxidation — The process by which oxygen present in air and water react with minerals in the rock is called oxidation. For example, most rocks contain a certain amount of iron. Oxygen and water react with iron to form iron oxide which easily erodes in comparison to iron. As it is removed the rocks are weakened and thus decomposed.
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