According to the big bang theory, the first two elements to form in the universe were ________.
A)gluons and quarks
B)hydrogen and iron
C)hydrogen and helium
D)oxygen and carbon

Question

Quizplus · Accepted Answer

According to the big bang theory, the first two elements to form in the universe were hydrogen and helium. These two elements were created during the first few minutes of the universe's existence, as temperatures cooled enough for protons and electrons to combine and form neutral atoms. The formation of heavier elements like oxygen and carbon required the fusion of hydrogen and helium in the cores of stars, a process that took billions of years to occur.

According to the Big Bang Theory, the First Two Elements