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espectro electromagnético
A continuum of electric and magnetic radiation that can be characterized by wavelength or frequency. Visible light encompasses a small part of the electromagnetic spectrum in the region from about 380 nanometers (violet) to 770 nanometers (red) by wavelength.
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dieta de los 17 días
The 17 Day Diet is a diet created by Mike Moreno, a family medicine doctor based in San Diego, CA, USA. The book, titled after the same name as the ...
