A) Two of the answers are correct.
B) Is used to determine once living materials.
C) Used to determine the age of non-living material.
D) Is used determine the age of living organisms.

A) ¹⁴C
B) ¹³C
C) ²³⁸U
D) ¹²C

A) Shows the path of radioactive decay from unstable isotope to stable isotope.
B) Shows the path of radioactive decay from stable isotope to unstable isotope.
C) Shows all the stable and unstable isotopes of the elements.
D) None of the answers are correct.

A) From the atmosphere.
B) It is a naturally occuring isotope in the decay chain of ²³⁸U.
C) From the walls of basements.
D) None of the answers are correct.

A) the electrons in oribit around the nucleus are released into space.
B) in both, different nuclei are formed.
C) both convert mass directly to energy.
D) the energy absorbed to form the new nucleus is very great.

A) an atom losing an electron.
B) two smaller atoms joining together to form a larger atom.
C) an atom gaining a proton.
D) the splitting of an atom into smaller atoms.

A) two smaller atoms joining together to form a larger atom.
B) an atom gaining a proton.
C) the splitting of an atom into smaller atoms.
D) an atom losing an electron.

A) Both of the answers are true.
B) The atomic bomb uses nuclear fission, while the hydrogen bomb uses nuclear fussion.
C) Both of the answers are false
D) The hydrogen bomb is more powerful than the atomic bomb.

A) They use both nuclear fission and nuclear fussion.
B) The don't use either nuclear fission or nuclear fussion.
C) The use nuclear fission.
D) They use nuclear fussion.

A) Nagasaki, Japan
B) Three-Mile Island, Harrisburg, Pennsylvaina
C) Hiroshima, Japan
D) Chernobyl, Ukraine