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ss7ja [257]
3 years ago
6

An increased greenhouse effect and the depletion of the ozone layer are two examples of

Biology
2 answers:
Ipatiy [6.2K]3 years ago
4 0

I believe that they are two examples of human activities.

Karo-lina-s [1.5K]3 years ago
3 0

Human activities........

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