Both naphthalene and para-dichlorobenzene are effective moth repellents. What property of these chemicals allow them to be used in mothballs for the protection of woollen clothing

The answer is celsius 

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.

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