Multiple Choice
Why can't current theories describe what happened during the Planck era?
A) We do not know how hot or dense the universe was during that time.
B) We do not understand the properties of antimatter.
C) We do not yet have a theory that links quantum mechanics and general relativity.
D) The Planck era was the time before the Big Bang,and we cannot describe what happened before that instant.
Correct Answer:
Verified
Correct Answer:
Verified
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