Nuclear Fusion

Consider the following statements:

  1. Nuclear fusion is defined as the combining of several small nuclei into one large nucleus with the subsequent release of huge amounts of energy.
  2. Nuclear fusion is employed in the nuclear reactors.
  3. Nuclear fission refers to the process of breaking up heavy nuclei into smaller fragments which is accompanied by release of vast amount of energy.

Which of the above statement(s) is/are true?

A
1 and 2
B
2 and 3
C
1 and 3
D
All of the above