Question

According to the Big Bang theory

a. dark matter is changing to ordinary matter throughout the universe.
b. dark energy is pulling the universe into black holes.
c. the universe will someday end because of a "big bang."
d. the universe began with an enormous explosion.

Answer 1

D. the universe began with an enormous explosion.

Step-by-step explanation:

This theory states that the universe began as a single hot, dense, and small point. It then exploded, expanded, became less dense, and the temperature became cooler.

Hope this helps! :)