What is the purpose of the arrow in a chemical equation? A. It indicates the direction in which the reaction occurs.
В.
It separates the elements from the compounds.
с.
It indicates the direction of increase in the number of molecules.
OD.
It indicates the direction of heat movement in a reaction.

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.

I'm pretty sure the answer is alcohol 

Iknow this i just forgot the name