stephanie2000 stephanie2000
  • 15-03-2017
  • Social Studies
contestada

What is responsible for creating the oxygen in our atmosphere?

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ObsoleteBullit
ObsoleteBullit ObsoleteBullit
  • 23-05-2017
If I'm correct it should be greenhouse effect.
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occ9507
occ9507 occ9507
  • 27-02-2019

life is the answer. plants give off most oxygen

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