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  1. Warm ocean surge of the Peru Current reoccurring every 5-8 years or so in the East Pacific of South America is widely known as
    1. Gulf Stream
    2. El Nino
    3. Aye Aye
    4. Magnox
Correct Option: B

El. Nino flows to the north from Antarctica along the west coast of South America to S. Ecuador, the west. It reoccurs after every 5 to 8 yrs. El Nino and La Nina are officially defined as sustained sea surface temperature anomalies of magnitude greater than 0.5°C across the central tropical Pacific Ocean. When the condition is met for a period of less than five months, it is classified as El Nino or La Nina conditions; if the anomaly persists for five months or longer, it is classified as an El Nino or La Nina episode.



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