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Fusion processes, like combining two deuterons to form a `He` nucleus are impossible at ordinary temperature and pressure. The reasons for this can be traced to the fact:A. nuclear forces have short range.B. nuclei are positively charged.C. the original nuclei must be completely ionized before fusion can take place.D. the original nuclei must first break up before combining with each other.

Answer» Correct Answer - A::B
To fuse nuclei, their must be very small from each other. At ordinary temperature and pressure, coulomb repulsine forces between the nuclei dominate over nuclear forces.
(since the latter is short ranged)


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