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ESA - The electromagnetic spectrum - European Space Agency
WebDec 14, 2024 · 27. You carry two, rather than three pairs of socks on multi-week backpacking trips in cold, wet, and muddy environments. 28. You don’t use gaiters when hiking in desert environments in order to save 1.3 oz. 29. You begin each day by looking at your Instagram account, hoping that Ultralight Jerk has posted a new meme. WebMar 9, 2016 · The UV region covers the wavelength range 100-400 nm and is divided into three bands: UVA (315-400 nm) UVB (280-315 nm) UVC (100-280 nm). Short-wavelength … how to reset gmail if phone changed
What is ultraviolet radiation? - Canada.ca
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