Biology, 06.07.2019 09:00 xcji2277

Which statement is true about the current understanding of the composition of the universe. a) roughly 70% of the mass of the universe is normal "everyday" matter. b) all energy in the universe is bound up as everyday "normal" matter. c) roughly 23% of the mass of the universe is normal "everyday" matter d) roughly 5% of the mass of the universe is normal "everyday" matter.

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