Which phrase best defines a chemical bond
A. unbalanced force inside the nucleus nucleus of an atom
B. Force that causes two atoms to split up
C. Particales that resist eachother
D. Force of attraction between one atom and another atom

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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