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Which belongs in the area marked X?

Energy is released.
Oxygen is used up.
Glucose is broken down.
Carbon dioxide is used up.

User Tim Newton
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2 Answers

2 votes

Answer:

Oxygen is used up

Step-by-step explanation:

User VladOhotnikov
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5 votes

Answer:

The answer is oxygen

Step-by-step explanation:

User Josiah Ruddell
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