Please helpp! In a hydrogen fusion reaction, two lighter hydrogen nuclei merge to form a heavier, more stable helium nucleus. The energy that is released in a hydrogen fusion reaction is
Select one:
A: the same as the energy released in the fission reaction of hydrogen.
B: much greater than the energy released in a hydrogen chemical reaction.
C: less than the energy released in chemical reactions of hydrogen.
D: equal to the change in the mass of hydrogen during the reaction.