The type of chain reaction in which the extra neutrons are prevented from undergoing fission to produce more U235 atoms in a nuclear reactor is a
A) self-amplifying chain reaction that is used in most U.S. nuclear power plants.
B) self-amplifying chain reaction that could lead to a nuclear explosion.
C) sustaining chain reaction using control rods, like that used in most U.S. nuclear power plants.
D) sustaining reaction without control rods, which could lead to a meltdown.
C
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Fill in the blank(s) with correct word