Multiple Choice
What is the significance of the Planck time?
A) It is the time at which inflation is thought to have occurred.
B) Before it,conditions were so extreme that our current understanding of physics is insufficient to predict what might have occurred.
C) It is the time when the cosmic microwave background was released.
D) It is the amount of time required for two protons to fuse to make deuterium.
Correct Answer:

Verified
Correct Answer:
Verified
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