Consider the following statements about Jetstream

1.Weakest jet streams are polar jets

2.Major jet streams flows from west to east

Which of the following is/are correct?

a)1 only

b)2 only

c)Both 1 and 2

d)None

Ans-[B]

Explanation- Jet streams are fast flowing, narrow, meandering, air currents found in the upper atmosphere or in troposphere of some planets, including Earth. The main jet streams are located near the altitude of the tropopause. The major jet streams on Earth are westerly winds (flowing west to east). Polar jet streams are strongest jet stream.