Biology
AdolphMao
11

What is heat? Heat is the energy needed to change the temperature of 1 g of a substance by 1°C. Heat is the average kinetic energy of the particles of a substance. Heat is the total energy of a substance due to the movement of its particles. Heat is the energy that flows between two substances of different temperatures.

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arnoldcal

I think it's this one   Heat is the energy that flows between two substances of different temperatures.

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