Why would a chain-reaction control substance that loses neutron-absorbing power as its temperature increases be dangerous?
A) Because it would start to emit protons.
B) Neutrons would start to collide with each other and that would be bad.
C) It would be unusually radioactive.
D) Unhindered neutrons would cause a meltdown.
Question 2
Which of the following is the most significant environmental advantage of deriving energy from nuclear fission?
A) There are almost no atmospheric pollutants.
B) Nuclear bombs can be made from fuel by-products.
C) Waters surrounding each nuclear power plant are warmed.
D) The uranium fuel supply is virtually unlimited.