El Nino-Southern Oscillation (ENSO) Cycle
Consider the following statements:
- El Nino and La Nina are opposite phases of what is known as the El Nino-Southern Oscillation (ENSO) cycle.
- La Nina is sometimes referred to as the warm phase of ENSO and El Nino as the cold phase of ENSO.
- Typically, El Nino occurs more frequently than La Nina.
Which of the statement(s) given above is/are correct? Choose the correct answer from the codes given below:
1 and 2
2 and 3
1 and 3
1, 2 and 3