Q=1
The most common fuel for nuclear fission reactors is?
a, coal
b, krypton
c, uranium-235
d, none of the above

Q=2
The most harmful by-product of nuclear energy is?
a, acid rain
b, sulfur dioxide
c, carbon dioxide
d, radioactive waste

Q=3
Air pollution is caused primarily by?
a, oil refineries
b, exhaust from cars
c, nuclear power plants
d, hydroelectric power plants

Q=4
The Refuse Act?
a, was enforced by President Nixon
b, prohibits careless disposal of waste
c, was created in 1899
d, all of the above

Q=5
Which of the following is a nonrenewable resource?
a, oil
b, gas
c, coal
d, all of the above