taroshekie
taroshekie
25-10-2016
Biology
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What could be a cause of melanoma?
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401211
401211
25-10-2016
Causes Of Melanoma. Ultraviolet rays Most skin cancers are caused by too much exposure to the sun's ultraviolet (UV) rays. The two types of UV rays that cause melanoma are UV-A and UV-B rays.
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