A scientist who collects and anylizez DNA from a crime scene is a

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.

Zinc contains about 30 protons 

Answerionic bond imfs are stronger than covalent;