Question

999867390
$\times$
multiply 5699087​

Answer 1

Step-by-step explanation:

Something must have created dark matter. ... In many ways, the big idea of the Big Bang was that if you have a Universe filled with matter and radiation, and it's expanding today, then if you go far enough back in time, you'll come to a state that's so hot and so dense that the laws of physics themselves break down.

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