Answer the following question given this paragraph: 

Autotrophs store chemical energy in carbohydrate food molecules they build themselves. Most autotrophs make their "food" through photosynthesis using the energy of the sun.


Q: Most autotrophs make their "food" through which process, using the energy of the sun?

 Choices:

- glycolysis

- atherosclerosis

- oculitis

- photosynthesis

A:
photosynthesis
