Which of these is a physical property? A)ability to burn a piece pf paper
B) pure sodium reacts violently with water
C)the boiling point of the water is 100⁰C
D)helium does not tend to react with anything

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.