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Why do animals need to take in oxygen? A) to break down fuel molecules B) to keep less oxygen in the atmosphere C) to build fuel molecules from carbon dioxide D) to be able to use energy from the sun
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Why do animals need to take in oxygen?

A) to break down fuel molecules

B) to keep less oxygen in the atmosphere

C) to build fuel molecules from carbon dioxide

D) to be able to use energy from the sun

User Bernardo Meurer
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1 Answer

5 votes

Answer:

A) To break down fuel molecules

User Edgar Manukyan
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