Photosynthetic organisms use the process of photosynthesis to produce their energy. During this process they also take in carbon dioxide and release oxygen. If there were less of such organisms, there would be more carbon dioxide and less oxygen in the atmosphere.
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The answer is:
For the farmers own needs
Answer:
Anaerobic respiration
Explanation:
Glucose —> lactic acid —> carbon dioxide and water
Anaerobic respiration
I think the answer would be pesticides... i see you selected it though. was that a wring answer?