Just after the original Big Bang the abundance of elements heavier than helium was:
A)about the same as it is now.
B)much greater than it is now.
C)much smaller than it is now.
D)about the same as the abundance of helium at that time.

Question

Quizplus · Accepted Answer

The original Big Bang produced only hydrogen, helium, and a small amount of lithium. Elements heavier than helium were formed later in stars through nuclear fusion or in supernova explosions. Therefore, the abundance of elements heavier than helium was much smaller shortly after the Big Bang than it is now.

Just After the Original Big Bang the Abundance of Elements