What happens to the neutrons produced in a fission reaction?
Select all that apply.

A. They can be absorbed by control rods.
B. They are converted from mass into energy.
C. They can initiate other fission reactions.
D. They combine to form a new element.

C) They can initiate other fission reactions.

Explanation:

When the reactor goes "critical" the neutrons cause more and more atoms to disintegrate. In other words those neutrons initiate more and more fissions that create more and more neutrons.

if you mean hydrogen and oxygen then water is the product