The ____ spectrum consists of these waves: ____ rays, X-rays, ultraviolet (UV), visible light, ____, microwaves and ____ waves. The list is in order of increasing ____, increasing frequency and ____ wavelength. Electromagnetic ____ can have a damaging effect on the body or can ____ atoms which can cause ____. For example, only a little ____ light is absorbed by your skin which causes us to feel heat. However, nearly all ultraviolet (UV) radiation is ____ by the skin and this can be very ____ to our skin cell's DNA.

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