Which of these outcomes is conclusive evidence that mixing sugar in water is a physical change? there is no change in color. there is no precipitate formed. there is no gas given off. there is no molecular change.

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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