Question

According to the Big Bang Theory, matter clumped into stars because of _____?

A) the expansion of the universe
B) the force of fusion
C) the force of gravity
D) the extreme speed that particles were traveling

Answer 1

the expansion of the universe is the right answer, if you read the right article about the big bang theory you can find out that the expansion of the universe is why.

Answer 2

C) the force of gravity