Explain why lithium is a strong reducing agent, whereas fluorine is a strong oxidizing agent.

Lithium is a good reducing agent because it is electropositive [it rapidly gains electrons]
fluorine is  good oxidizing agent electronegative [it loses electrons fastly]

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.

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