Q. Consider the following statements:
1.Atmospheric rivers are long, narrow regions in the atmosphere that transport most of the water vapor outside the tropics.
2.Atmospheric rivers carry very little moisture content.
3.When the atmospheric rivers come back-to-back then they are called atmospheric river families.
Which of the statements given above is/are correct?

[A] 1 and 2 only

[B] 1 only

[C] 1 and 3 only

[D] 1, 2 and 3

Answer: C
Notes:

Explanation –

Statement 1 and 3 are correct. Atmospheric rivers are long, narrow regions in the atmosphere that transport most of the water vapor outside the tropics. When the atmospheric rivers come back-to-back then they are called atmospheric river families.

Statement 2 is incorrect. Atmospheric rivers  carry a lot of moisture which is enough to equal or sometimes exceed the average flow of the Mississippi River at the point where it flows into the Gulf of Mexico.

Source: ForumIAS