Chemistry, 23.11.2019 08:31, taylor493

The states that between 15 and 20 billion years ago, the universe began expanding out of an enormous explosion.
a. h-r diagram
c. big bang theory
b. binary star theory
d. "big crunch" theory

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The states that between 15 and 20 billion years ago, the universe began expanding out of an enormous explosion. a. h-r diagram c. big bang theory b. binary star theory d. "big crunch" theory

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The states that between 15 and 20 billion years ago, the universe began expanding out of an enormous explosion.
a. h-r diagram
c. big bang theory
b. binary star theory
d. "big crunch" theory