Sagot :
Answer:
Everyday life is pervaded by artificially made electromagnetic radiation: food is heated in microwave ovens, airplanes are guided by radar waves, television sets receive electromagnetic waves transmitted by broadcasting stations, and infrared waves from heaters provide warmth.
Explanation:
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- Electromagnetic waves are important because they are used to transmit TV, radio and wireless signals and energies. They make our lives easier especially in today's digital age. If there are no Electromagnetic waves in the world, then, there would be nothing. At least not in the form we understand or see. Look up the electromagnetic spectrum to see examples of electromganetic waves. Radio, Microwave, Infrared, Visible light, Ultraviolet, X-rays, Gamma rays. No Electromagnetic waves means no sight. No transfer of energy from the sun to the Earth, so no life.
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