Properties of ultraviolet radiation
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Explanation:
Ultraviolet waves, with wavelengths from 40-400 nanometers (nm), are those that fall between visible light and X rays on the electromagnetic spectrum. Because ultraviolet light has a frequency higher than that of visible light, it carries more energy and has the ability to penetrate our skin.
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Explanation:
The purpose of melanin is to absorb ultraviolet radiation and dissipate the energy as harmless heat, protecting the skin against both boat direct and indirect DNA damage from the ultraviolet radiation .
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