Multiple Choice
Currently, most of the mass of the matter of the universe is believed to consist of:
A) baryonic matter, made up of protons and neutrons.
B) tachyonic matter, travelling only faster than the speed of light.
C) dark matter not made of protons and neutrons.
D) dark energy.
E) tiny but very numerous black holes.
Correct Answer:

Verified
Correct Answer:
Verified
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