Question

Which of the following statements is correct?

a.
Water is used to moderate (slow down) neutrons in a nuclear reactor.
b.
Carbon control rods are used to absorb neutrons in a nuclear fission reaction.
c.
A very high temperature is required to initiate a nuclear fission reaction.
d.
The energy released from the sun is the result of a nuclear fission reaction.

Answer 1

C? i think..................

Answer 2

Which statement about nuclear reactions is NOT true?

B. In fission, the total mass of the reactants equals the total mass of the products.