Gravity acts to __________ the expansion of the universe, and dark energy acts to __________ the expansion.
A) slow; slow
B) slow; speed up
C) speed up; slow
D) speed up; speed up

Question

Quizplus · Accepted Answer

Gravity acts as a counterforce to expansion in the universe, so it would slow it down. Dark energy, on the other hand, is causing the expansion to accelerate, which means it is speeding up. Therefore, choice B is the correct answer.

Gravity Acts to __________ the Expansion of the Universe, and Dark