In the Process of Nuclear Fusion

Multiple Choice

In the process of nuclear fusion,

A) two or more nuclei fuse or stick together to form a heavier nucleus that has exactly the same mass as the original nucleus
B) a heavy nucleus breaks apart into a number of smaller nuclei whose combined mass is less than the original nucleus
C) two or more nuclei fuse or stick together to form a heavier nucleus whose combined mass is slightly less than the original nuclei
D) two or more nuclei fuse or stick together to form a heavier nucleus whose combined mass is slightly greater than the original nuclei