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Alja [10]
3 years ago
10

A dog breathes out CO2 and a tree releases O2. How are the dog and the tree connected in the oxygen cycle?

Biology
1 answer:
Hitman42 [59]3 years ago
6 0
A dog breathes in oxygen and then releases carbon dioxide when he exhales. Conversely, a tree gives off oxygen and takes in carbon dioxide. So the breath of the dog sustains the tree while the output of oxygen for the tree sustains the dog.
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