UV is a high ____ wave from the ____. There are 3 bands in this wave, ____ is blocked by the ozone layer but UVB and UVA can damage ____ in our skins cells which can lead to ____ cancer and ____. UV helps our body make ____ D and can be useful in ____ in finding ____ stains. It can also prevent people making counterfeit ____. Substances in blood, white clothing etc ____ some UV energy and emit longer wavelength ____ waves that we can see.

UV Summary

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