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Natural Resources — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceNatural Resources1 Mark
MCQ
Biological weathering is caused by:
  • A
    Lichens.
  • B
    Mosses.
  • C
    Roots of plants.
  • ✓
    All the above.
✓

Answer

Correct option: D.
All the above.
Lichens and mosses release chemicals on rocks that cause them to powder down and form layers of soil. Roots of plants in the cracks of rock cause the rock to expand and break.

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