Which of the following describes nuclear fission?

It requires extremely high temperatures to begin the reaction.

It involves the combining of nuclei.

It involves bonding electrons.

Its chain reactions can be initiated by neutrons.

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It requires extremely high temperatures to begin the reaction.

While nuclear fusion involves the union of atoms, fission is the breaking of an atomic nucleus into two smaller parts. For this to happen it is necessary that the atom reaches a very high temperature.

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