The space between the stars is filled with material that is called the interstellar medium. this interstellar medium consists primarily of hydrogen and helium with concentrations being 75% and 25%; respectively. stars are fueled by fusion reactions that convert hydrogen into helium. at times, these elements are released and contribute to the make up of the interstellar medium. using this evidence, which statement best supports the idea that the big bang produced all material in the universe?
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