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

A) ¹⁴C
B) ²³⁸U
C) ¹²C
D) ¹³C

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

A) It is a naturally occuring isotope in the decay chain of ²³⁸U.
B) From the atmosphere.
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) the splitting of an atom into smaller atoms.
B) an atom gaining a proton.
C) an atom losing an electron.
D) two smaller atoms joining together to form a larger atom.

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

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

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

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