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The ozone layer protects the Earth against most UVB coming from the sun. It may also be helpful minimize one's exposure to UVB by wearing hats, sunglasses, and sunscreen.
The ozone layer protects the Earth against most UVB coming from the sun. It may also be helpful minimize one's exposure to UVB by wearing hats, sunglasses, and sunscreen.
[[category:physics]]
[[Category:Physics]]