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ozone "hole"
UVA causes sunburn and tan, UVB causes surface skin damage and tan, and UVC cuts right through most protections (clothing, sun block, etc. and damages sub-dermal tissue and DNA, without causing tanning. UVC is the weakest, UVA is s little stronger, and UVC is the strongest. Does the ozone layer really only block UVB? UVB can be blocked by a sheet of paper, so I expect the ozone does more than that. Does anyone know?
UVA causes sunburn and tan, UVB causes surface skin damage and tan, and UVC cuts right through most protections (clothing, sun block, etc. and damages sub-dermal tissue and DNA, without causing tanning. UVC is the weakest, UVA is s little stronger, and UVC is the strongest. Does the ozone layer really only block UVB? UVB can be blocked by a sheet of paper, so I expect the ozone does more than that. Does anyone know?<br />
Also, I remember somewhere seeing a graphic of the ozone "hole," which actually included the scale. As I recall, the "hole" was only about 60% of known ozone concentration. Does anyone know where more information on this can be found? --[[User:DavidB4|<font color="ForestGreen">David B</font>]] <sup>([[User talk:DavidB4|TALK]])</sup> 17:43, 8 March 2017 (EST)