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3 Cards in this Set
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- Back
What is biological weatehrinf |
Burrowing animals and plants roots place more pressure on cracks in rocks cause them to enlarge and break away |
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What is mechanical weathering? |
Freeze-thaw, as water fills the cracks, it freezes when temperatures are below 0 and enlarges the cracks, the water then melts and freezes again continuing to enlarge the cracks until the rock breaks away |
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What is chemical weathering? |
Weak carbonic acid in rain water changes the mineral composition of the rocks causing them to disintegrate and break away |