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) ¹²C
B) ²³⁸U
C) ¹⁴C
D) ¹³C

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

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

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

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

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

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

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

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