What is an El Niño?
A) A hurricane that occurs on the Gulf Coast in the spring months
B) A phenomenon when glaciers advance rather than retreat in the summer
C) A volcano in the Philippines that erupts every 50 to 60 years
D) A phenomenon that recurs every 3 to 7 years in which temperatures at the surface of the equatorial Pacific Ocean rise by 2 to 3 degrees Celsius
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A) absorption of
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