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In this class, Professor Rafael Barreto explains the phenomenon known as El Niño, which is the result of the abnormal warming of the waters of the Pacific Ocean off the coast of Peru, where the waters are usually cold. La Niña is exactly the opposite, as it represents an abnormal cooling of the waters of the Pacific Ocean due to the increased strength of the trade winds. @profrafaelbarreto www.quadrolivre.com.br