Geography · Climatology
An El Niño event primarily occurs because:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Trade winds reverse, causing a permanent global drop in ocean temperatures
- 2Trade winds strengthen, pushing warm ocean water eastward
- 3Trade winds weaken, reducing the upwelling of cold deep water✓
- 4Trade winds strengthen, making the ocean water exceptionally cold
Correct answer
Trade winds weaken, reducing the upwelling of cold deep water
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