Heat is the transfer of thermal energy from one substance to another or within a substance. Thermal energy includes both potential and kinetic energy of the particles that make up the substance. A warmer substance becomes cooler and a cooler substance becomes warmer when heat flows from one to the other. This flow of heat is always from the substance with a higher temperature to the substance with a lower temperature.
Which of the following statements is correct?


The flow of heat is from higher temperature to lower temperature, so choice C is correct

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