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Most organisms breathe using oxygen or carbon dioxide. Where do these gases come from on land?

air
offspring
homeostasis
shelter

User Cucurbit
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2 Answers

7 votes

Answer:

A FOR AIR

Step-by-step explanation:

User Daniel Herr
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5 votes

Answer:

Air

Step-by-step explanation:

Because of the trees, we breath.

User Vasilij
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