Before the big bang, the universe was much and than it is now.
a. hotter and less dense
b. hotter and more dense
c. cooler and less dense
d. cooler and more dense

The answer to the question is that before the big bang, the universe was much hotter and more dense than it is now. Letter B.
It is because after the big bag occurred, the universe became cooler and less dense.
a. - does not correspond in the answer because the universe became less dense after the big bang.
c - the universe became cool and less dense after the big bang so being cool and less dense does not correspond to the question.
d - cooler does not answer the question because it only became cooler after the big bang.

My answer is that Before the big bang, the universe was much cooler and denser. There are three circumstances before the big bang theory, and it shows that the flatness problem and horizon problem affect the universe to be cooler and denser. In flatness problem, it states there that the universe seems to have enough energy density in the form of matter and in horizon problem it affects the coolness of the universe. 

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