Final answer:
Carbon dioxide serves as a better source of carbon than oxygen due to its role in processes like photosynthesis.
Explanation:
Carbon dioxide is a better source of carbon rather than oxygen. In processes like photosynthesis, plants use carbon dioxide to build glucose, a key energy storage molecule, utilizing the carbon content. Meanwhile, oxygen is more abundant in the atmosphere and is essential for respiration across various organisms.
Learn more about carbon dioxide as a source of carbon and oxygen here:
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