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Just like visible light, infrared light, and radio waves, ultraviolet light is electromagnetic radiation. On the spectrum, ultraviolet light lies between violet light and x rays, with wavelengths ranging from four to 400 nanometers. Although it is undetectable to the naked eye, anyone who has been exposed to too much sunlight has probably noted the effects of ultraviolet light, for it is this radiation that causes tanning, sunburn, and can lead to skin cancer. *A. Literary NonfictionB. Expository TextC. Procedural TextD. Persuasive/ Argumentative Text |
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Answer» A.Literay nonfiction Is is HELP You |
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