Question

What is a cause of mechanical weathering?

sunlight


physical forces


rainwater


natural acids

Answer 1

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natural acids is the right answer......

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Answer 2

In this question, the main cause of weathering is physical forces.

This is so because the rocks get broken down due to physical forces but the composition remains the same no matter whatever it is made up of.

Some other factors of mechanical weathering include – growth of roots of plants, release of pressure, ice wedges, and abrasion.