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Question
How does biological weathering occur?
Answer in Brief
Solution
- Besides mechanical and chemical weathering, biological factors are also responsible for weathering of rocks.
- As the roots grow bigger, they create tension in the rocks and start breaking them.
- Ants make large anthills. Rats, mice, rabbits and other worms and insects make burrows in the ground. These animals are called burrowing animals.
- Because of their activity, weathering of rock occurs. Besides these, algae, moss, lichen, other flora etc. grow in the rocks. They also help in weathering.
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Biological Weathering
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