UV protection by the ozone layer. UV-C is entirely screened out, UV-B radiation is partially absorbed, UV-A are not strongly absorbed by the ozone layer and most of this radiation reaches the surface the Earth.

UV protection by the ozone layer. UV-C is entirely screened out, UV-B radiation is partially absorbed, UV-A are not strongly absorbed by the ozone layer and most of this radiation reaches the surface the Earth. - 68257490

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