The beaker below illustrates an aqueous solution of KCl. This illustration shows both the system and the surroundings for this solution. Click on any part of the solution that illustrates the system ONLY

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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