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grandymaker [24]
3 years ago
5

Roots or plant growth making cracks in concrete IS IT Mechanical or chemical

Biology
2 answers:
never [62]3 years ago
7 0
Chemical it should be chemical 
Misha Larkins [42]3 years ago
4 0
I think it should be mechanical
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A) The paper is affected by air resistance due to its flat shape, so wadding the paper into a tight ball would cause it to hit the ground at the same time as the other objects.

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<u>I am so sorry if this is incorrect! But after some research, this is what I found. </u>

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