Help! This is a science check and reflect please help and answer

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 accuracy

Answerit is not a renewable energy source;

The correct answer is 20 protons, 20 electrons, and 21 neutrons