A moderator is used in nuclear reactors in order to

1 Increase the number of neutrons

2 Decrease the number of neutrons

3 Slow down the speed of neutrons

4 Accelerate the neutrons



A moderator is used in nuclear reactors in order to 1 Increase the number of neutrons 2 Decrea..

Answer / guest

(3) Slow down the speed of neutrons

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