Heavy water is used as moderator in a nuclear reactor. The function of the moderator is

Options

A. to control the energy relased in the reactor
B. to absorb neutrons and stop chain reaction
C. to cool the reactor factor
D. to slow down the neutron to thermal anergires

Answer

d

Explanation

Heavy water is uses as moderator in a nuclear reacor. The function of the moderator is to show down the netrons of thermal energies.