Most of the deuterium that formed right after the Big Bang:
A)is still around today.
B)broke down into electrons and neutrons.
C)turned into dark matter.
D)quickly burned into helium nuclei.
E)was found in the globular clusters.

Question

Quizplus · Accepted Answer

Deuterium is a heavy isotope of hydrogen that formed in the early universe. Most of the deuterium that formed right after the Big Bang quickly burned into helium nuclei in a process called Big Bang nucleosynthesis.

Most of the Deuterium That Formed Right After the Big