The environmental lapse rate is best described as?

A. a decrease in air temperature by 0. 65°C per 1000m of ascent in the atmosphere
B. the rate of temperature changes within the stratosphere
C. a fall in air temperature by 6.5°C
D. a decrease of air temperature by 6.5°C
E. a fall in air temperature by 0.6°C

Correct Answer:

Option E – a fall in air temperature by 0.6°C