What unusual event occurs during el niño?
o
a. there is unusually low pressure in the western tropical pacific.
b. the trade winds blow harder to the west.
c. the pressure gradient decreases.
o
d. warm water flows south along the east coast of south america.

The person who answered above me is wrong. The correct answer is C. The pressure gradient decreases. Please, if you are going to answer a question, make sure it's correct.

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