science
Grade-4-
Easy
Question
_________ is an example of chemical weathering.
- Breaking of rocks by water
- Breaking of rocks by ice
- Breaking of rocks by rusting
- Breaking of rocks by plants
Hint:
Weathering of rocks by rusting is an example of chemical weathering.
The correct answer is: Breaking of rocks by rusting
- Rusting is caused by the interaction of oxygen with iron in rocks in the presence of water.
- It is an example of chemical weathering.
- The rust spreads over the rocks, weakens them, and causes weathering.
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