Question

comment on the following
2. Oxygen is a by-product of photosynthesis.​

Answer 1

Answer:

yes its right

Explanation:

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Answer 2

Answer:

yes it's true.

Explanation:

Because, plants take carbon-dioxide and exhales oxygen into the environment.

During the process of photosynthesis the plants make food by utilising some simple inorganic substances like carbon-dioxide, water, and some other minerals from the soil in the presence of sun light.

After that through the stomata the leaf exhales oxygen into the environment..

I hope it will be helpful to you.