Question

Define fusion
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Answer 1

Answer:

the process or result of joining two or more things together to form a single entity.

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Answer 2

Explanation:

Fusion is the process that powers the sun and the stars. It is the reaction in which two atoms of hydrogen combine together, or fuse, to form an atom of helium. In the process some of the mass of the hydrogen is converted into energy. ... Thus fusion has the potential to be an inexhaustible source of energy.