Which best describes the present-day universe?
opaque, expanding very slowly, stars produce h...
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Chemistry, 12.07.2019 01:30 christhegreat1
Which best describes the present-day universe?
opaque, expanding very slowly, stars produce heavy elements
transparent, expanding at an accelerated rate, stars produce heavy elements
opaque, expanding at an accelerated rate, stars produce only hydrogen and helium
transparent, expanding very slowly, stars produce only hydrogen and helium
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