oxygen, duh
carbon dioxide and energy turn into oxygen and suger
2006-09-29 10:42:50
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answer #1
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answered by Eric H 4
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Don't plants require Carbon Dioxide in order to convert sunlight and water into food? Then as a by product, I believe they produce Oxygen.
2006-09-29 17:43:23
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answer #2
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answered by koffee 3
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Oxygen.
We breathe oxygen in, and carbon dioxide out. Plants do the exact opposite. Thats why it's good to have house plants.
2006-09-29 17:42:19
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answer #3
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answered by Anonymous
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oxygen
breathe carbon dioxide and exhale oxygen
2006-09-29 17:42:14
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answer #4
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answered by Happyworms 4
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oxygen
ever heard of a textbook?
2006-09-29 17:43:02
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answer #5
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answered by Vanna 2
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Oxygen.
This is a homework question, isn't it?
2006-09-29 17:42:04
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answer #6
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answered by Knee 6
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O2...if you know your Elements you would know what that is.
2006-09-29 17:43:02
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answer #7
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answered by Clock Watcher 4
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