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.
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Each term of a chemical compound required for the given statements are in bold letters as depicted below.
<h3>How to define chemical compounds?</h3>
1) The chemical compounds that are present before a reaction occurs is called; reactants
2) The compounds produced from the reaction are called; products
3) Unit of measure, containing Avogadro's number is called; Mole
4) The quantitative proportion of reactants to products is called; Stoichiometry.
5) Two solutions are mixed and an insoluble substance forms; A precipitation reaction
6) An illustration of the reaction that occurs between two or more chemical compounds is called; chemical equation
7) A solid compound that contains water molecules is called hydrates.
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They are husband and wife.
Answer: B
Z = (x -μ)/σ
.. = (99 -88)/5
.. = 11/5
.. = 2.2
The z score is 2.2.
