Which represents a correct match between ideas related to the formation of the universe?

Question

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2 points
glowing nebulae — dark energy
mass-energy equivalence — dark matter
structure forming in the early universe — dark matter
greatest percent of mass of universe — dark matter

Answer 1

greatest percent of mass of universe — dark matter

Answer 2

What the definition of dark energy?
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1 point
Energy that humans cannot observe directly
Energy that has a small effect on the universe
Energy characterized by black and dark gray colors
Energy that is only emitted by glowing nebulae.

Answer 3

Energy that humans cannot observe directly

Answer 4

Which represents a correct match between ideas related to the formation of the universe?
*
2 points
glowing nebulae — dark energy
mass-energy equivalence — dark matter
structure forming in the early universe — dark matter
greatest percent of mass of universe — baryonic matter