Microcrystalline tests involve exposing samples of a substance to a reagent and examining what about the crystals the form?

morphology
odor
taste
all of the above

I think it is, morphology

Morphology

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.