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Answer:
the hotter water flows to the top and the colder water flows down which then gets heated goes back up and the hot water that went up is colder again so they keep flipping
The statement that holds true about sleep is; the sleeping state can be immediately reversed; option D.
<em>Note that the complete question is given as follows:</em>
<em>Which of the following holds true regarding sleep?</em>
<em>A. The conscious mind and the outside world completely draw a blank.</em>
<em>B. The sleeping state is irreversible.</em>
<em>C. The sleeping state has the conscious mind perceiving all the sensations of the outer world.</em>
<em>D. The sleeping state can be immediately reversed.</em>
<em />
<h3>What is sleep?</h3>
Sleep is a semi-conscious state of the mind and the body in which the body rests in order to recover from a strenuous activity.
The sleeping state can be easily reversed to full consciousness when the person sleeping is awoken.
In conclusion, sleeping is not a permanent but a reversible state.
Learn more about sleep at: brainly.com/question/4119396
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Answer:
0.
Explanation:
If you do a=2 and b=2, then 2-2=0.
