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He tino pai te māramatanga me te arotahi 2835 raupapa UVA
Whakaahuatanga Hua Ko te hihi ultraviolet he momo hihi hikohiko, ehara i te mārama e kitea ana engari he wāhanga o te hihi hikohiko i tua atu i te mārama papura e kitea ana. Ko te whānuitanga o te hihi ultraviolet he 100-380nm, ā, ko te pūtake taiao nui rawa atu o te hihi ultraviolet ko te hihi o te rā. He mahi nui tāna ki te ora i runga i te Ao, i runga i tōna āhua. Kua whānuitia te whakamahinga o te pūtake mārama UV ki te whakamaroke pereti, te whakaatu, te whakamaroke mārama me ētahi atu taputapu, i roto i te...
