Question

During this process of making food most of oxygen is used in the atmosphere​

Answer 1

Explanation:

These plants produce oxygen as a byproduct of photosynthesis, a process which converts carbon dioxide and sunlight into sugars the organism can use for energy. One type of phytoplankton, Prochlorococcus, releases countless tons of oxygen into the atmosphere. It is so small that millions can fit in a drop of water.

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Answer 2

Answer:

Photosynthesis

Explanation:

Photosynthesis in the forest

Photosynthesis provides most of the oxygen that humans and animals breathe. Here's how it works: Tree and plant roots absorb water, as well as minerals and nutrients, from the soil.

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