How does a galvanic cell work? A. A voltage applied across two electrodes causes electrons to flow.
B. A salt bridge connecting two electrodes generates electrons.
C. A redox reaction at two electrodes causes electrons to flow.
D. Two electrolyte solutions react to cause electrons to flow.

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.

The answer is nitrogen-containing bases

Answer (b) supersaturation;