Increased exposure to ultraviolet-B radiation caused by ozone depletion can lead to

Amethaemoglobinaemia in infants
Bfluorosis and dental decay
Cskin cancer and cataract
Drickets and goitre

Answer: C

Higher UV-B at the surface damages DNA in skin cells and the lens of the eye, leading to skin cancer and cataract. The other disorders arise from dietary or water-quality causes.

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