Question

Plants give out oxygen during photosynthesis.​

Answer 1

True.

Photosynthesis uses carbon dioxide to make sugar and produces oxygen as a byproduct. Respiration uses oxygen to release energy from stored sugar and produces carbon dioxide as a byproduct.

However, if the plants are growing, then over a period of 24 hours they will produce more oxygen than they consume.

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Answer 2

Answer:

Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel. These primary producers form the base of an ecosystem and fuel the next trophic levels.