Can someone help me with these?​

Iwould google this

The correct name for n3-ion should be azide.

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.

B"hf and f-"  is the correct answer took the test on edgenuity and got it right