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Soil — BIOLOGY STD 6 — Question

ICSE BoardEnglish MediumSTD 6BIOLOGYSoil3 Marks
Question
What is weathering of rocks ?
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Answer

The breaking down of huge pieces of rocks into fine particles to form soil is called weathering of rocks. It is a very slow process caused by:
a. Physical agents like wind, temperature changes.
b. Chemical agents like water.
c. Biological agents like algae, plant roots.

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