Nuclear fusion is a(n) ____________ technology.
A) Proven and common
B) Ideal but so far unachievable
C) Technologically easy but publicly objectionable
D) Long-time standard
E) Clean, efficient, and relatively inexpensive

Question

Quizplus · Accepted Answer

Nuclear fusion is an ideal source of energy that scientists and engineers have been working towards for decades, but achieving a sustainable and controlled fusion reaction for practical energy production has so far been unachievable.

Nuclear Fusion Is A(n) ____________ Technology