The environmental lapse rate is best described as

A. a decrease in air temperature by 0. 65 0C per 1000m of ascent in the atmosphere
B. the rate of temperature changes within the stratosphere
C. a fall in air temperature by 6.50
D. a decrease in the air temperature by 6.50
E. a fall in air temperature by 0.60

Correct Answer: Option E

E. a fall in air temperature by 0.60