How are fusion and fission different?

Answer:
Fusion is the joining of particles to make stuff.
Fission such as nuclear fission is 2 atoms smashing together such as Uranium 234, it gets smashed apart and more atoms are produced this happens billions of times to create very high amounts of energy.
First answer by ID2044478028. Last edit by ID2044478028. Question popularity: 1 [recommend question].