Q. What is true with regard to Jet Streams?
1. High velocity winds
2. Blow from west to east
3. Blow in upper troposphere near the tropopause
4. Blow in the mesosphere

• (A) 2 and 3
• (B) 2 and 4
• (C) 1, 2 and 3
• (D) 1, 2 and 4