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2 votes
Which of the following can be an organic cause of chemical weathering?

A. loess
B. lichen
C. freezing
D. expansion

User Samccone
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2 Answers

3 votes
the answer is B or C because the weather can cause freezing 
User Thomas Crowley
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4 votes
the answer would be B i just did this 3 days ago
User Steve Owens
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