| I. It occurs at irregular intervals |
| II. It carriers warmer water |
| III. It carries less saline water |
| IV. Its atmospheric equivalent is southern oscillation. |
A) I and II only
B) II and III only
C) III and IV only
D) I, II, III and IV
Correct Answer: D
Solution :
El Nino is a climate cycle in the Pacific Ocean with a global impact on weather patterns. The cycle begins when warm water in the western tropical Pacific Ocean shifts eastward along the equator toward the coast of South America. Normally, this warm water pools near Indonesia and the Philippines. During an El Nino, the Pacific's warmest surface waters offshore of north western South America.
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