As the world enters an El Niño phase countries are bracing themselves for extreme weather events. What is El Niño?

(a) A climate pattern characterized by cooler waters in the eastern Pacific
(b) A climate pattern characterized by warmer waters in the eastern Pacific
(c) A climate pattern characterized by stronger trade winds
(d) A climate pattern characterized by increased rainfall in the Atlantic Ocean

Ans.(b)
Sol. El Niño is a climate pattern characterized by unusually warm waters in the eastern Pacific Ocean near the equator.