Multiple choice

At 11 km to 20 km from Earth's surface, the lapse rate of temperature is

  1. 0 degree/1000 feet

  2. 1 degree/1000 feet

  3. 2 degrees/1000 feet

  4. none of these
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A Correct answer
Explanation

At 11-20 km altitude, in the lower stratosphere, the lapse rate is 0°C per 1000 feet. This is an isothermal layer where temperature remains constant. The tropopause at approximately 11 km marks the boundary where the temperature stops decreasing and becomes constant.

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