Multiple Choice
Which of the following phenomena triggers an El Niño-Southern Oscillation event?
A) development of an unusually cold high-pressure air mass in the Antarctic region
B) increased freshwater added to the surface currents, resulting in low salinity
C) reversal of high- and low-pressure areas in the equatorial central Pacific Ocean
D) cold water upwelling in the eastern Indian Ocean
Correct Answer:
Verified
Correct Answer:
Verified
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