The concentration of a chemical substance or compound in a solution is often given in moles per liter, or mol/L and is called the

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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elements make up everything, and they combine to make compounds.

the answer is c

is there any options? maybe im just not seeing them but i need the options to

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