What gas do plants primarily release during photosynthesis?

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Multiple Choice

What gas do plants primarily release during photosynthesis?

Explanation:
During photosynthesis, light energy drives reactions that split water molecules. This step releases oxygen gas as a byproduct, which exits the plant into the air. Meanwhile, carbon dioxide is taken in and incorporated into sugars, so it isn’t released. The other gases listed aren’t produced in this process, whereas oxygen is the gas that plants primarily release.

During photosynthesis, light energy drives reactions that split water molecules. This step releases oxygen gas as a byproduct, which exits the plant into the air. Meanwhile, carbon dioxide is taken in and incorporated into sugars, so it isn’t released. The other gases listed aren’t produced in this process, whereas oxygen is the gas that plants primarily release.

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