Gravitational potential energy depends on the

Gravitational potential energy depends on basically two factor;

Explanation:

The distances between both the bodies, as well as the mass within each object, are factors that influence gravitational potential energy.

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

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the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.