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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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bennick bennick
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Explain how "soft" plants like lichens can cause biological weathering.
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McKnight's Physical Geography: A Landscape Appreciation

McKnight's Physical Geography: A Landscape Appreciation


Edition: 12th
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omolola69omolola69
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Lichens live on bare rock and draw minerals from rock via ion exchange, thus weakening the rock.  Also, alternate wetting and drying causes expansion and contraction of the fungi and algae enough to knock small flakes off rocks.
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