science
Grade-4-
Easy
Question
_________ causes the weathering of rocks.
- Rain
- Ice
- Plants
- All of the above
Hint:
All of the above
The correct answer is: All of the above
- Rain, ice and plants all can cause weathering of rock.
- Soils are also host to a variety of vegetation, bacteria and organisms that produce an acidic environment which also promotes chemical weathering.
- Physical weathering involves rock and soil breakdown by direct contact with atmospheric conditions such as heat, water, ice and pressure.
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