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Feliz [49]
3 years ago
14

How did the formation of the ozone layer contribute to the existence of life on Earth?

Biology
2 answers:
shepuryov [24]3 years ago
8 0

Answer:

the ozone layer blocks the sun's harmful Uv rays.

guapka [62]3 years ago
7 0
It blocked the suns harmful UV rays
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