AP Environmental Sciencemediummcq1 pt
Nuclear reactors control the fission chain reaction with
A.control rods that absorb neutrons
B.cooling fans only
C.adding more fuel continuously
D.reflecting sunlight
Explanation
Core Concept
Inserting neutron-absorbing rods damps the chain reaction; withdrawing them raises power — the reactor's throttle.
Correct Answer
Acontrol rods that absorb neutrons
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