When the temperature at sea level is 10°C, what is the temperature of the air at a height of 2000 metres above sea level?
11.2°C
13.2°C
5.8°C
8.8°C
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The temperature decreases with altitude due to the lapse rate, which is the rate at which atmospheric temperature decreases with an increase in altitude. On average, the lapse rate is about 6.5°C per 1000 meters in the troposphere, which is the lowest layer of the Earth's atmosphere.
To find the temperature at 2000 meters above sea level when the temperature at sea level is 10°C, you can use the lapse rate:
Temperature at 2000 meters = Sea level temperature - (Lapse rate * Altitude in km)
Temperature at 2000 meters = 10°C - (6.5°C/1000m * 2)
Temperature at 2000 meters = 10°C - 13°C
Temperature at 2000 meters = -3°C
So, the temperature of the air at a height of 2000 meters above sea level would be approximately -3°C when the temperature at sea level is 10°C, assuming a standard lapse rate.
