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radio waves have the longest wavelength they are used to broadcast many signals like radio, tv, alarm systems.
despite the name microwaves are not the shortest waves. Besides heating foods microwaves are also used in phones.
all of these reptiles are cold blooded and the only way to know that ios by looking at it under a infrared light. ultraviolet means beyond light. some animals can see ultraviolet light.
visabel light is all the colors of the EM spectrum that you can see
x-rays can pass through most living tissue but are absorbed by bones
gamma rays can be used to treat illnesses and in making medical images
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