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Which of the following is an example of a free-running cycle?

a) A dog that sleeps all night and stays awake all day
b) A cat that wakes at night and sleeps during the day
c) A dog that sleeps and wakes at various times of the day and night
d) A baby that sleeps four hours at a time, then awakens to eat

User ZdaR
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1 Answer

7 votes

Answer:

A.

Step-by-step explanation:

Its True because the dog sleep like human

User Jiayu Zhang
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