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kogti [31]
3 years ago
11

Hi help please! 20 points plus brainliest!

Biology
2 answers:
liubo4ka [24]3 years ago
8 0

Answer:

Your answer would be the second option as the Oxygen starts out high on the graph, but decreases well the Carbon dioxide starts out low and then increases

Mkey [24]3 years ago
3 0
The answer is b. as the level of oxygen decreases, the level of carbon dioxide increases.
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