In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

Fact1: Loss of ozone has created an ozone hole over Antarctica., Fact2: Ozone depletion allows more ultraviolet radiation, which causes skin cancer., Question: Why has the risk of developing skin cancer increased for those living near Antarctica? (A) 70-75 degrees Fahrenheit (B) higher ultraviolet radiation (C) Exposure to oxygen and water (D) tanning machines closed (E) more infectious tourists (F) Being over land (G) more shiny polar bears (H) a surface not sterilized
B