What is the most common form of gas in the interstellar medium?
A)molecular hydrogen
B)molecular helium
C)atomic hydrogen
D)atomic helium
E)ionized hydrogen

Question

Quizplus · Accepted Answer

The most common form of gas in the interstellar medium is atomic hydrogen. This is because the low density and low temperatures in the interstellar medium prevent the formation of molecules, and the most abundant element in the universe is hydrogen, which exists primarily in atomic form.

What Is the Most Common Form of Gas in the Interstellar