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3 September, 21:47

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

O It blocked the Sun's harmful UV rays.

O It caused water vapor to cool, condense and collect.

It released large amounts of oxygen into the air

It warmed Earth's surface preventing materials from freezing.

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Answers (2)
  1. 4 September, 01:09
    0
    the ozone layer blocks the sun's harmful Uv rays.
  2. 4 September, 01:22
    0
    It blocked the suns harmful UV rays
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