Respuesta :
The correct answer to this question is that nucleaur fusion is the nuclear reaction in which energy is released by the combination of two elements, after which they become a new element. Nuclear fusion is the process through which two aroms are bonded, and therefore form a different, heavier nucleus.
19. In a nuclear reaction, energy is released by the combination of two elements into a new element. This process is an example of
A. nuclear fission.
B. nuclear fusion.
C. artificial disintegration.
D. natural radioactivity
Answer B