Oxygen. Oxygen or more known as air is produced by plants and it is the main thing that plants produce, oxygen is used by animals and man kind. Another one of the gases that animals uses is carbon dioxide because animals inhale Oxygen and exhales CO2.
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Answer:
Oxygen. Oxygen or more known as air is produced by plants and it is the main thing that plants produce, oxygen is used by animals and man kind. Another one of the gases that animals uses is carbon dioxide because animals inhale Oxygen and exhales CO2.
Explanation:
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