El Niño Southern Oscillation (ENSO) events have occurred approximately every 3-7 years over the last century

Q. El Niño Southern Oscillation (ENSO) events have occurred approximately every 3-7 years over the last century. The cause of these ENSO events is related to

A. large-scale air-sea interactions in the Pacific Ocean

B. strong monsoon winds in the Indian Ocean

C. the melting of icebergs in the Antarctic Ocean

D. unsustainable overfishing in North Atlantic Ocean

Ans: large-scale air-sea interactions in the Pacific Ocean