Identify the ion ratios needed to form neutral compounds from the ions below. The metal ion (cation) is listed first, and the nonmetal ion (anion) is listed second. Make sure to give each ratio in its most simplified form. Na+:Br– = 1 : ⇒ 1 Al3+:Cl– = 1 : ⇒ 3 Mg2+:O2– = 1 : ⇒ 1 Al3+:O2– = 2 : ⇒ 3

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.

Answer is (d)a brainliest would be appreciated