Question

Why is fusion nuclear energy currently not widely used as a source of electricity?

1 Fusion reactions have not yet been achieved.
2 Fusion reactions cannot be controlled.
3 Fusion reactions require very high temperatures and pressure.
4 Fusion reaction energy cannot be converted into electricity.

Answer 1

Answer:  Fusion reactions cannnot be controlled

Explanation:

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Answer 2

Answer:

(2) Fusion reactions cannot be controlled.

The radiations emitted during a nuclear fusion are too much destructive than fission, and is not easy to be controlled.

Also, its nuclear waste is undisposable and thus cause pollution.