Erik, MENTOR Adult, Sweden 1 points (HYDROGEN)		April 15, 2010 10:40 Hi Marwa, I think you address an interesting topic! Do you know which wavelengths of light that can be detected by the human eye? Best Regards Erik
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I think you address
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Hi Marwa,
I think you address an interesting topic!

Do you know which wavelengths of light that can be detected by the human eye?
Best Regards

Erik

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