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valkas [14]
3 years ago
10

What is the major cause of air pollution?

Biology
1 answer:
Nata [24]3 years ago
5 0

Answer: Air pollution occurs when harmful or excessive quantities of substances including gases, particulates, and biological molecules are introduced into Earth's atmosphere.

Explanation: Hope this helps!!!

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The vertebrates are highly preserved.

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The characteristical feature is that these are homeodomain proteins with a highly preserved area of DNA binding encoded with homeobox gens.

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