Question

Elaborate on the difference in natural occurrences between fission and fusion reactions.
A)
Neither fission nor fusion reactions naturally occur on earth or outer space.
Eliminate
B)
Fission reactions do not naturally occur while fusion reactions occur in the stars.
C)
Both fission and fusion reactions naturally occur in the pressure of the earth's core.
D)
Fusion reactions do not naturally occur while fission reactions occur in the volcanoes.