- A−3 °C per hour
- B−2 °C per hour
- C3 °C per hour
- D−1 °C per hour
Step-by-Step Solution
From 9 p.m. to 3 a.m. is 6 hours. Change °C. Per hour: °C.
Answer: A) −3 °C per hour
One winter night in Dras, the thermometers were read at the times shown on the clocks beside them. What was the average change in temperature per hour between the two readings?
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