Heat can be delivered from one place to
another. The smallest part of a substance that still can stand alone and still
have the nature of a substance called molecular origin. The molecules are
always vibrating. Cohesion is the force of attraction between molecules of the
same substance. Adhesion is the attractive forces between the molecules of
different substances. Conduction is the transfer of heat through a substance
without substance displacement path. Convection is the transfer of heat through
a substance with a stream of the heated substance. Almost all objects emit
radiant energy or certain jets. The more heat it more energy radiation
released.
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