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The water they split to replace the electrons lost to photosystem II from the electron excitation of chlorophyll by photons of light.

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The process of photosynthesis.

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Water H20

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Q: What is the source of the oxygen that is given off the plants as waste?
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Related questions

What is the waste product given off during respiration?

Carbon Dioxide in humans and Oxygen in plants


What gas do plants give off in the process of photosyntheseis?

Oxygen is given off as a waste product.


What waste gas do plants release?

Plants release oxygen as a waste gas.


What is the waste product for plants of photosynthesis?

Oxygen is an important by-product (not waste) of photosynthesis and is needed by not only animals and other organisms, but also the plants which make it.


Why do plants need oxygen?

Plants need oxygen for aerobic respiration. Although photosynthesis produces oxygen as a waste product, and this oxygen is used for aerobic respiration, plants still need oxygen to survive, as the oxygen produced as a waste product of photsynthesis is not always sufficient to supply the plant with all the oxygen it needs.


What happens to carbon dioxide?

Plants hydrogenate it into sugars. The hydrogen comes from water and oxygen is given off as a waste product.


What gas is given off in photosynthesis?

The gas given off by photosynthesis is oxygen, plants take in carbon dioxide and generate it into oxygen.


What is excretion of waste product in plants?

Oxygen comes out as waste product in plants during photosynthesis


Does a sunflower provide oxygen?

No. Oxygen is a waste gas produced by plants. They "inhale" carbon dioxide and "exhale" oxygen.


What is the waste gas that plants make?

Oxygen


What is the waste product of plants that you depend on?

Oxygen


What waste materials are given off during photosynthesis?

Plants release oxygen as a waste during photosynthesis. They take in carbon dioxide, water, and sunlight and those are converted into energy.