Which of the following is an output of photosynthesis?
a. oxygen
b. carbon dioxide
c. water
d. nutrients

Answer : The correct option is, (a) oxygen

Explanation :

Photosynthesis : It is a type of process that occurs in the green plant. In the photosynthesis process, the green plants use the energy of light to convert the carbon dioxide and water into glucose as a product and oxygen as a byproduct.

The balanced chemical reaction will be,

In the photosynthesis process, carbon dioxide and water are the input and the glucose and oxygen are the output.

Hence, an output of the photosynthesis is, oxygen

the correct answer is:

a population changes in response to a change in the environment.

it's not c. i took the quiz and got it wrong. so my best guess is b.

have a great day, and hope this .