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Explain the following: Radiation...

Explain the following:
Radiation

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The transfer of heat that takes place without a medium is called radiation. Radiation does not need any medium it is passed on in the form of electromagnetic wavelengths earth receives heat and light due to radiation from the sun
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  1. Explain the following: Conduction of heat:

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  2. Explain the following: Convection of heat

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  3. Explain the following: Radiation

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