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10. What accounts for most of the mass in the universe?

A. dark energy
B. ordinary energy
C. dark matter
D. ordinary matter

Sagot :

GinnyAnsweridn

Final answer:

Dark energy and dark matter dominate the mass-energy content of the universe, with ordinary matter playing a minor role.


Explanation:

Dark energy accounts for the majority of the mass in the universe, making up about 70% of the matter-energy. Dark matter represents about 25% of the energy density, interacting primarily through gravity.

Ordinary matter (protons and neutrons) contributes only 4.9% to the total density. Dark energy's negative gravitational effect is responsible for the acceleration of the universe's expansion.


Learn more about Dark energy and dark matter in the universe here:

https://brainly.com/question/37514674


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