Multiple Choice
When endogenous rhythms are studied by removing all external time cues,what duration of circadian rhythm do most people adopt?
A) approximately 23-24 hours long
B) approximately 24-25 hours long
C) approximately 25-26 hours long
D) Humans are unable to maintain a normal circadian rhythm when external cues are removed.
Correct Answer:

Verified
Correct Answer:
Verified
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