Avogadro’s number was calculated by determining the number of atoms in

Avogadro's number was calculated by determining the number of atoms in 12.00 g of carbon-12. 

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.