Final answer:
Hydrogen is the most common element in the universe, followed by helium.
Explanation:
Hydrogen is the most common element in the universe, making up about 90% of atoms. It is followed by helium, which constitutes most of the remaining 10%. Other elements are present in minuscule amounts compared to hydrogen and helium.
Learn more about Hydrogen and Helium Abundance here:
https://brainly.com/question/39549435
