The jet aircrafts 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

Options

A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2

Answer

C