Answer:During an El nino there is change in the surface waters in the central and eastern Pacific Ocean.
Step-by-step explanation:
During an El nino there is change in the surface waters in the central and eastern Pacific Ocean. The change makes them to be normal than usual. The change is as a result of the atmosphere and the winds blowing over the vast Pacific.
El nino also happen when natural climate pattern where sea water in the central and eastern tropical Pacific Ocean is warmer than average.