Uranium Fuel Is ____________ Before It Can Be Put into a Reactor

Multiple Choice

Uranium fuel is ____________ before it can be put into a reactor.

A) Extensively processed to clean and purify it
B) Found in concentrated form in the Earth and then washed
C) Produced by bombarding it with electrons from radioactive plutonium
D) Extensively processed in order to change it to a safer form
E) None of these is correct