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How have living organisms changed the composition of the atmosphere over time?

i need help with my hw

2007-09-09 04:40:59 · 1 answers · asked by 85722 1 in Science & Mathematics ➔ Earth Sciences & Geology

1 answers

Certainly.
All the oxygen in the air is the product of photosynthesis.

2007-09-09 06:58:06 · answer #1 · answered by Irv S 7 · 0⤊ 0⤋

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