b) a doctor advice to put strips of wet cloth on the forehead of a person having high fever
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Solution
(A.)A liquid generally flows easily because the intermolecular space between the liquid particles are more as compared to solids.Moreover there is a very little force of attraction between the particles.
(C).Doctors advise to put strips of wet cloths on the forehead of a person having high temperature because the water absorbs the heat of the body and then evaporate leaving a cool impact.