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Oxygen gas produced during photosynthesis originates as:

a) oxygen atoms contained in carbon dioxide are released when the carbon is fixed.
b) oxygen atoms are released by the metabolism of carbohydrates.
c) a molecule of chlorophyll oxidized by a photon.
d) oxygen atoms contained in water molecules.
e) a byproduct of nitrogen-fixing bacteria."

User Pavlonator
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1 Answer

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Final answer:

During photosynthesis, oxygen gas is produced as a waste product originating from water molecules. The process uses sunlight, carbon dioxide, and water to generate energy-storing carbohydrates and release oxygen. This oxygen is vital for animals to survive.

Step-by-step explanation:

During photosynthesis, oxygen gas is produced as a waste product. It originates from the oxygen atoms contained in water molecules. In the process of photosynthesis, sunlight, carbon dioxide, and water are used to produce energy-storing carbohydrates, and oxygen is generated as a byproduct. This oxygen is released into the atmosphere through the stomata of plant cells, providing the necessary oxygen for animals to live.

User Shahnawaz Hossan
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