SajjadAhmad wrote:
The gap in the ozone hole over the North Pole can expand each summerenough 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. that it exposes regions as far south as Sweden by heightened UV radiation, also increasing
B. that regions as far south as Sweden have been exposed to heightened UV radiation, as well as having increased
C. to expose regions as far south as Sweden to heightened
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