Question

why do plants release oxygen?

Answer 1

Explanation:

Plants break down sugar to energy using the same processes that we do. Oxygen is needed to break the sugar into carbon dioxide, releasing energy the plants can use to stay alive.

However, plants also take in energy from the sun(light), carbon dioxide from the atmosphere, and water from the soil; they use all of them in order to make sugar, and release oxygen. (They use the 'carbon' in carbon dioxide to build the sugar molecule). Since there's no sunlight at night, this gives the plants a way to stay alive, even when there's no light.

Answer 2

Answer:

plants releases oxygen

Explanation:

plants take carbon dioxide and use it for photosynthesis to form carbohydrates , the biproduct in this process is oxygen