Question

Which of the following statements is true of nuclear fusion?

A. It must take place at extremely high temperatures.


B. It must take place in low-density containers.


C. It results in nuclei that are lighter in weight than the nuclei that existed before the reaction.


D. It does not release a great amount of energy.

Answer 1

C. It results in nuclei that are lighter in weight than the nuclei that existed before the reaction

Answer 2

It takes an extreme amount of energy to create nuclear fusion. This energy takes the form of heat energy, which, like expressed earlier is in great quantity. So the answer is A.