3 Ultraviolet by Halie Sturgeon https://padlet.com/sturghal000/nxnnr6zrbmyh 3 Karla, Halie, Avril en-us 2017-02-24 15:34:57 UTC 2017-02-27 15:30:08 UTC hello@padlet.com Uses sturghal000 https://padlet.com/sturghal000/nxnnr6zrbmyh/wish/156433461 1. Ultraviolet makes the quinine in tonic water glow pale blue.
2.Ultraviolet rays can be used to kill microbes.
3.Food and drugs companies use Ultraviolet lamps to sterilise ]]> 2017-02-27 15:13:32 UTC https://padlet.com/sturghal000/nxnnr6zrbmyh/wish/156433461 Wave type hernaavr000 https://padlet.com/sturghal000/nxnnr6zrbmyh/wish/156435925 Ultraviolet Waves]]> 2017-02-27 15:19:28 UTC https://padlet.com/sturghal000/nxnnr6zrbmyh/wish/156435925 Dangers /Questions rodrikar002 https://padlet.com/sturghal000/nxnnr6zrbmyh/wish/156436359 Generally, the higher the frequency the higher the danger .

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