In photosynthesis, which gas is produced by plants and released into the atmosphere?

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Multiple Choice

In photosynthesis, which gas is produced by plants and released into the atmosphere?

Explanation:
During photosynthesis, plants use light energy to convert carbon dioxide and water into glucose, and a gas called oxygen is released as a byproduct. In the light-dependent part of the process, water molecules are split, producing electrons, protons, and oxygen gas, which exits the plant through the stomata and enters the atmosphere. This is why oxygen ends up in the air we breathe. The other gases listed don’t fit: nitrogen is not produced by photosynthesis, carbon dioxide is consumed, not released, and hydrogen isn’t released as a separate gas in this pathway.

During photosynthesis, plants use light energy to convert carbon dioxide and water into glucose, and a gas called oxygen is released as a byproduct. In the light-dependent part of the process, water molecules are split, producing electrons, protons, and oxygen gas, which exits the plant through the stomata and enters the atmosphere. This is why oxygen ends up in the air we breathe. The other gases listed don’t fit: nitrogen is not produced by photosynthesis, carbon dioxide is consumed, not released, and hydrogen isn’t released as a separate gas in this pathway.

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