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Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources2 Marks
Question
Name the types of weathering.
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Answer

Weathering occurs by three processes:
  1. Physical/ Mechanical: Breakdown of rocks into smaller pieces. Eg- frost shattering.
  2. Biological: Disintegration of rocks by activities of living organisms.
  3. Chemical: it occurs when rocks are worn away by chemical changes.

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