Which sentence defines heat in a basic sense?

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Multiple Choice

Which sentence defines heat in a basic sense?

Heat, in a basic sense, is energy in transit that moves between objects because of a temperature difference. The description that says heat is a type of energy that is added or removed captures this idea of energy being transferred into or out of something. The other options don’t fit as well: rate of energy transfer refers to power, not heat itself; a form of energy stored in chemical bonds is chemical energy; and a unit of energy is a measure, not heat. So the transfer-focused description is the clearest way to express heat at a basic level.

Heat, in a basic sense, is energy in transit that moves between objects because of a temperature difference. The description that says heat is a type of energy that is added or removed captures this idea of energy being transferred into or out of something. The other options don’t fit as well: rate of energy transfer refers to power, not heat itself; a form of energy stored in chemical bonds is chemical energy; and a unit of energy is a measure, not heat. So the transfer-focused description is the clearest way to express heat at a basic level.

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