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Heat transfer takes place when:A. thermal energy is present.B. there is a temperature difference.C. None of theseD. conduction or convection occurs, but not radiation.

Respuesta :

Answer:

[tex]B[/tex]

Explanation:

Here, we want to know when heat transfer takes place

Heat as a form of energy can flow from one point or end to another

The driving force for this flow is the temperature gradient

When there is a difference in temperature between 2 ends or points, heat will flow by any of the methods of heat transfer applicable

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