A Self -Amplifying Reaction and a Nuclear Explosion in a Nuclear

Multiple Choice

A self -amplifying reaction and a nuclear explosion in a nuclear power plant are prevented in large part by __________________

A) the production of plutonium -239
B) fuel rods that absorb tremendous amounts of heat
C) the regular addition of uranium -239 to the fuel
D) control rods that absorb neutrons
E) "sponges" that absorb liquefied uranium that leaks out of the reactor core