Consider the following statements, with reference to the Inter-Tropical Convergence Zone (ITCZ):
1. It is a low-pressure zone formed by the interaction of trade winds and westerlies in the tropics.
2. Its oscillation causes annual variation in intensity and the amount of rainfall.
Which of the statements given above is/are correct?
1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2