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White raven [17]
3 years ago
8

Human activities

Biology
2 answers:
Aleksandr-060686 [28]3 years ago
7 0

Answer: B

Human activities will only make the greenhouse effect worse. The more we make in factories, the more smoke comes out of chimneys. The more smoke goes in contact with ozone, the more ozone is made.

Hope it helps!

polet [3.4K]3 years ago
5 0
Create the greenhouse effect.
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