Can someone help me with this please ASAP

How could natural selection best be used to explain the evolution of the white fur of arctic fox

Ways in which using health care services effectively can foster your health and ways in which not being aware of them is a health risk.

Lina went in camping woods. while camping, she accidentally touched a strange planet. her hand immediately started itching, and her skin erupted in hives. after she gets home, her grandmother cooked some oatmeal, wrapped it in a cloth, and put it on lina affected hand. lina’s grandmother followed a traditional what remedy.