Question

(a) Discuss the role of plants and animals in biological weathering.
(b) Explain the advantages of weathering of rocks.​

Answer 1

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Answer 2

Answer:

(a) Biological weathering is weathering caused by plants and animals. Plants and animals release acid forming chemicals that cause weathering and also contribute to the breaking down of rocks and landforms. Chemical weathering is weathering caused by breaking down of rocks and landforms.

(b) Weathering provides particles that eventually form sedimentary rocks like limestone and sandstone, plus, chemical weathering helps in reducing atmospheric carbon dioxide. If weathering did not exist, the earth would consist of bare rocks unable to support flora and fauna.