Consider the following statements regarding Jet streams 1. They are also called Ross by waves. 2. They are usually found near tropo pause. 3. They travel from west to east in the northern hemisphere and from east to west in the southern hemisphere 4. They travel at very high velocity 5. They are usually sinuous in character Which of the above statements are correct?

• A. 1, 2, 3 and 4 only
• B. 1, 2, 3 and 5 only
• C. 1, 2 and 4 only
• D. 1, 2, 4 and 5 only