Subtropical jet streams are more strong than the polar jet stream.
Consider the following statements about jet streams:
1. Jet streams are important component of westerly flow which influences weather in north and northwestern India.
2.The jet streams are found mainly in the upper atmosphere or in troposphere.
3. Jet streams generally follow a straight path.
4. Jet streams are caused by a combination of a planet's rotation on its axis and atmospheric heating
Choose the correct statements: