Question: The temperature inside a freezer is 22 F and the temperature outside is 42 F. The temperature difference is 20 F. (a) Is the temperature

The temperature inside a freezer is 22 °F and the temperature outside is 42 °F. The temperature difference is 20 F°.

(a) Is the temperature difference ΔT in degrees Celsius greater than, less than, or equal to 20 C°?

(b) Choose the best explanation from among the following:

I. The temperature difference is equal to 20 C° because temperature differences are the same in all temperature scales.

II. The temperature difference is less than 20 C° becauseAT = (20 °F) = 11 °C.

III. The temperature difference is greater than 20 C° becauseATC =(20 °F) + 32 = 68 °C.

AT = (20 F) = 11 C. ATC =(20 F) + 32 = 68 C.

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