balance the following oxidation-reduction reaction and indicate which atoms have under gone oxidation and reduction _hno3+_s. _no+_h2so4

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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