Aform of energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space. there are many forms of electromagnetic energy including gamma rays, x rays, ultraviolet radiation, visible light, infrared radiation, microwaves and radio waves.
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answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;
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The fuzzy edges of shadows are a result of diffraction