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All of the following are sources of carbon in the atmosphere except

a. Cellular respiration
b. Burning fossil fuels
C. Photosynthesis
d. Volcanoes​

1 Answer

2 votes

Answer:

C. photosynthesis

Step-by-step explanation:

One of the reactants of photosynthesis is CO2, therefore it is the only option that doesn't have carbon as a product.

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