Multiple Choice
The emergence of each of the four fundamental forces during the big bang was similar to
A) the collision of two heavy nuclei, such as two lead nuclei.
B) the gravitational collapse of matter when a new star forms.
C) a change of the "state" of a material substance, such as freezing.
D) a supernova explosion.
E) a nuclear reaction.
Correct Answer:

Verified
Correct Answer:
Verified
Q8: What is the universe mostly made of?<br>A)
Q9: One unusual aspect of dark energy is<br>A)
Q10: In a closed universe, the angles of
Q11: One piece of evidence supporting the theory
Q12: Dark energy<br>A) has never been directly observed
Q14: According to the theory of cosmic inflation,
Q15: Is everything in the universe expanding?<br>A) No,
Q16: Which of the following observations lend support
Q17: The big bang created<br>A) space and time.<br>B)
Q18: According to Einstein, gravity is<br>A) the bending