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2007-10-20 09:31:10 · 2 answers · asked by Anonymous in Science & Mathematics Other - Science

2 answers

To the plant, it's a byproduct. To me, it's a product. It is believed that the earth's earliest atmosphere contained lots of carbon dioxide and practically no oxygen. Without photosynthesis, there would be practically no animal life on earth. I'm not sure anaerobic bacteria count.

2007-10-20 17:15:55 · answer #1 · answered by Frank N 7 · 0 0

i tink so...

2007-10-20 16:38:22 · answer #2 · answered by ~Fearless~ 4 · 0 1

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