1.

A centigrade and Fahrenheit thermometers are dipped in boiling water. The water temperature is lowered until the Fahrenheit thermometer registers 140°. What is the fall in temperature registered by the centigrade thermometer?$

A. 80°C
B. 60°C
C. 360°C
D. 30°C
Answer» D. 30¬¨¬®‚Äö√†√ªC


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