About 75% of the mass of the visible universe is composed of which element?
A) Helium
B) Iron
C) Hydrogen
D) Silicon

Name: About 75% of the mass of the visible universe is composed of which element? A) Helium B) Iron C) Hydrogen D) Silicon
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Question

Quizplus · Accepted Answer

Hydrogen is the most abundant element in the universe, making up about 75% of its visible mass. This is because it was the first element to form after the Big Bang and serves as the primary building block for other elements and celestial bodies.

About 75% of the Mass of the Visible Universe Is