BGCSE Geography Practice Questions - Botswana BGCSE - Geography (0584) Exam

How do living organisms contribute to biological weathering of rocks?

Tree roots grow into rock joints, expanding and forcing the rock apart Animals absorb minerals directly from unweathered deep bedrock Plant leaves reflect solar radiation, cooling the surrounding rock surface Lichens seal rock surfaces and prevent atmospheric gases from contacting rock

Correct Answer:

Tree roots grow into rock joints, expanding and forcing the rock apart

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