What kind of energy is stored in a flashlight battery enabling it to function? electrical energy, chemical energy, mechanical energy, or gravitational energy ? : /

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Arrange the images in order to show how lake-effect snow occurs.

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th