Stratospheric ozone absorbs much of the Sun’s harmful UV-B radiation; when the ozone layer thins, more UV-B reaches the surface, increasing risks of skin cancers, cataracts and immune system suppression.
Option A:
Correct; it directly links ozone depletion to greater UV-B exposure and the associated health effects such as skin cancer and cataracts.
Option B:
Incorrect; indoor air pollution is mainly caused by fuels and ventilation conditions, not by changes in the ozone layer.
Option C:
Incorrect; tectonic activity and earthquakes are unrelated to atmospheric ozone levels.
Option D:
Incorrect; ozone depletion does not cause greenhouse gases to disappear; ozone issues and climate change are distinct though related problems.
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