Use the text A Good Night’s Sleep to answer the question.
A Good Night's Sleep
According to page 25, which effect is caused by the dolphins need to breathe while sleeping?
(1 point)
Responses
Dolphins sleep with only one half of their brains.
Dolphins sleep with only one half of their brains.
Dolphins sleep with their heads above water.
Dolphins sleep with their heads above water.
Dolphins sleep with both eyes open.
Dolphins sleep with both eyes open.
Dolphins sleep only when it is safe.
Dolphins sleep only when it is safe.
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