Why Do Nuclear Fusion Reactions Only Take Place in the Interior

question 68

Multiple Choice

Why do nuclear fusion reactions only take place in the interior of a star (rather than at the surface) ?

• A) The magnetic fields are strongest there.
• B) The temperature and density are highest in the centre.
• C) The core is the only place where hydrogen is found.
• D) The strong nuclear force is only active in the centres of stars.

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