For a standard atmosphere (ISA), the temperature in the lowest layer with altitude

  1. Decreases by 0.65°C/100 mCorrect answer
  2. Decreases by 1.2° / 100 m
  3. Increases 0.5°C/100 m
  4. Decreases by 1° / 100 m

Explanation

In the International Standard Atmosphere (ISA), the temperature lapse rate in the troposphere (the lowest layer) is defined as a decrease of 1.98°C per 1000…

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