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Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources2 Marks
Question

Name three physical agents which cause weathering of rocks.

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Answer

Physical agents that cause weathering of rocks are:

  1. Thermal stress i.e. Contraction and expansion of rocks by changes in temperature.
  2. Wind is another strong physical agent that brings about weathering of rocks.
  3. Heavy rainfall.

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