The world`s biggest experimental nuclear fusion reactor in operation was inaugurated in which country?

Correct Answer: C. Japan

The world`s biggest experimental nuclear fusion reactor in operation was inaugurated in Japan on December 1st, 2023, a technology in its infancy but billed by some as the answer to humanity`s future energy needs.
Fusion differs from fission, the technique currently used in nuclear power plants, by fusing two atomic nuclei instead of splitting one.