Why is there a radioactive source in a smoke detector? a. It ...

[xclash]

Why is there a radioactive source in a smoke detector?
 a. It makes the smoke particles radioactive.
  b. It ionizes the air.
  c. It powers the alarm when the battery wears out.
  d. none of the above

Question 2

What does the moderator do in a nuclear reactor?
 a. It is a safety feature that limits the nuclear reaction.
  b. It absorbs neutrons.
  c. It slows down neutrons.
  d. none of the above

[lindahyatt42]

Answer to Question 1

B

Answer to Question 2

C

[xclash]

Thanks for the timely response, appreciate it

[nothere]

Gracias!