write the formulae of the acid and the base that produce each of the following salts:HNO3, Pb(CH3COO)2,ZnS and (NH4)2CO3​

Ithink it is quantity of plants

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.