Is a physical quantity that expresses the warmth or coldness of a body or environment. a) heat b) radiation c) temperature d) thermodynamics

 Temperature

Explanation: Temperature is a physical quantity that expresses the warmth or coldness of a body or environment.

Temperature is measured quantity that describes the hotness or coolness of an object or the surroundings.

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the  frequency of a wave represents  the number of wavelengths that pass a specific point per second. the unit for  frequency  is hertz (hz).

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