Multiple Choice
When a person is shut off from the world,such that he or she cannot even tell what time it is by light or dark for several days,this person's sleep-waking cycle will
A) stay exactly as it was since this cycle is innate and cannot be modified.
B) shorten to an average of about 20 hours.
C) lengthen to almost 25 hours.
D) become completely disrupted.
Correct Answer:
Verified
Correct Answer:
Verified
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