Question

how do the processes of respiration,combustion and photosynthesis determine the percentage of carbon dioxide in the atmosphere

Answer 1

Explanation:

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Processes in the carbon cycle

Carbon enters the atmosphere as carbon dioxide from respiration and combustion. Carbon dioxide is absorbed by producers to make glucose in photosynthesis. ... Decomposers break down the dead organisms and return the carbon in their bodies to the atmosphere as carbon dioxide by respiration

Answer 2

Answer:

The process of respiration, combustion and photosynthesis determine the percentage of carbon dioxide in the atmosphere as they either take in, give out or use up carbon dioxide for their processes to proceed hence, affecting the percentage of carbon dioxide in the atmosphere