UPSC Civil Services Prelims 2011
Question 25 of 53Geography
The jet aircraft fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation? 1. There are no clouds or water vapour in the lower stratosphere. 2. There are no vertical winds in the lower Stratosphere. Which of the statements given above is/are correct in this context?
A1 only
B2 only
CBoth 1 and 2
DNeither 1 nor 2
Correct Answer
The correct answer is hidden
Explanation
29 words hidden ... disturbance. Vertical mixing is also weak because the stratosphere is characterized by temperature inversion and ... 29 words hidden