Question

Which statement is true about the thermal energy of an object? Choose the correct answer.

1. Thermal energy is the internal potential energy of an object.
2.Thermal energy is the heat that is transferred in and out of an object.
3. Thermal energy is the sum of kinetic and potential energy of an object.
4. Thermal energy is the internal kinetic energy of the molecules of an object.

Answer 1

the answer is number 2

Step-by-step explanation:

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