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Lichens, a combination of fungi and algae, grow on the surface of rocks. They secrete acids that slowly eat away at the surface of the rock.

Is this an example of chemical or physical weathering?


physical


chemical

Lichens a combination of fungi and algae grow on the surface of rocks They secrete acids that slowly eat away at the surface of the rock Is this an example of c class=

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carroll81105

Answer:

Chemical

Explanation:

it is a chemical weathering because it is eating away at the rock instead of actively eroding the rock.

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