Question

Why are very high temperatures and pressures required for fusion to occur?

to generate the neutrons that are needed to break the nuclei
to overcome the repulsion between the protons in the nuclei that join
to maintain the proper conditions to keep the chain reaction going
to keep the uranium fuel separate from the control rods

Answer 1

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Step-by-step explanation:

to overcome the repulsion between the protons in the nuclei that join

Answer 2

Step-by-step explanation:

to overcome the repulsion between the protons in the nuclei that join