According to the Big Bang model, most of the _________ in the Universe were formed ________.
A) hydrogen and helium; during the first 3 minutes
B) hydrogen and helium; during supernova explosions
C) hydrogen and helium; in the interior of massive stars
D) heavy elements; during the first 3 minutes

Question

Quizplus · Accepted Answer

According to the Big Bang model, most of the hydrogen and helium in the Universe were formed during the first few minutes after the Big Bang, in a process known as Big Bang nucleosynthesis.

According to the Big Bang Model, Most of the _________