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Lichen growing on rocks is it Mechanical or chemical
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Lichen growing on rocks is it Mechanical or chemical
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Dec 3, 2017
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Lichen growing on rocks is it Mechanical or
chemical
English
middle-school
Rzv
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Answer:chemical
Explanation: bc it is
Siebe Jongebloed
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Dec 3, 2017
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Siebe Jongebloed
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the answer would be Chemical
Pedro Werneck
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Dec 9, 2017
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Pedro Werneck
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