Which represents a correct match between ideas related to formation of the universe selected two correct answers

Question

Accelerating expansion and dark energy
Greatest percent of massive universe and dark matter
Structures forming in the early annivers and dark matter
Boiling nebula and

Answer 1

The two correct matches related to the formation of the universe from the options provided are:

1. Accelerating expansion and dark energy: This is a correct match because dark energy is believed to be responsible for the observed accelerating expansion of the universe.

2. Greatest percent of massive universe and dark matter: This is also a correct match. Dark matter makes up a significant portion of the total mass-energy content of the universe.

The other options seem to be either incomplete or not accurately describing the correct concepts related to the formation of the universe.