Which term listed below is an irregularly recurring flow of unusually warm waters from the Pacific Ocean toward the western coast of South America that prevents
cold deep water and disrupts weather patterns?
Tsunami
El Nino
Volcanoes
Floods

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the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.