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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 | |