What are the tiny magnetic area that can be either aligned or misaligned

The answer is Domains.   They are the tiny magnetic area that can be either aligned or misaligned.  They are atoms that all have magnetic field lines lined up in the same direction or in different direction.  In magnetized materialsall of the domains are in the same direction.

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.