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Which is an example of a chemical change that occurs during weathering?
A. freezing and thawing of water in the cracks of rocks
B. Animals dig a hole in the ground looking for worms
C. flowing water smooths rock surfaces in a river
D. Acids from the lichens growing on the rock breaks down the rock to soil
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Which is an example of a chemical change that occurs during weathering?
A. freezing and thawing of...
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