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Results tagged with Search options user 652

Questions about protecting yourself from harmful ultraviolet radiation which causes both sunburns and snow blindness

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As found here: "With every 1000 m in altitude, UV levels increase by approximately 10 per cent." Percentages are tricky to work with, so here is a worked-out example. Suppose you start out at sea le …
answered Aug 20 '12 by Rody Oldenhuis