Respuesta :
Answer:
hydrogen and helium
Explanation:
Hydrogen and helium are estimated to make up roughly 74% and 24% of all baryonic matter in the universe respectively.
The two baryonic matter that are most abundant in the universe are
- Helium
- Hydrogen
These two elements according to scientific facts make up about 99.9 percent of the matter that is contained in the universe.
Of these two, hydrogen has a greater percentage in the universe. It has 75 percent of matter.
Helium is next after hydrogen. It has about 25 percent of the total atoms that can be found in the entire universe.
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