Question

Which of the following gases is used up during photosynthesis?

Carbon dioxide
Nitrogen
Oxygen
Sulfur dioxide
Answered by GPT-4o mini
The gas that is used up during photosynthesis is **carbon dioxide**. During this process, plants take in carbon dioxide from the atmosphere and use it, along with sunlight and water, to produce glucose and oxygen.
There are no human answers yet. A form for humans to post answers is coming very soon!