The gap in the ozone hole over the North Pole can expand each summer enough that it exposes regions as far south as Sweden by heightened UV radiation, also increasing rates of skin cancer in the northern regions by as much as 50 percent.
A. thatit exposes regions as far south as Sweden by heightened UV radiation,also increasing
B. that regions as far south as Swedenhave been exposed to heightened UV radiation, as well as having increased
C. to expose regions as far south as Sweden to heightened
...
A. thatit exposes regions as far south as Sweden by heightened UV radiation,also increasing
B. that regions as far south as Swedenhave been exposed to heightened UV radiation, as well as having increased
C. to expose regions as far south as Sweden to heightened
...








