The primary reason that nuclear fusion has proven difficult to adapt for commercial power generation is that
A) the fuel is difficult to purify.
B) the possible fuel is scarce.
C) the temperatures involved are too low for efficient production.
D) nuclei repel each other due to their positive charges.

Question

Quizplus · Accepted Answer

Nuclei repel each other due to their positive charges, which makes it difficult to achieve the necessary conditions for nuclear fusion to occur at a viable rate for commercial power generation.

The Primary Reason That Nuclear Fusion Has Proven Difficult to Adapt