Which statement describes how el niño contributes to climate trends on earth?

a.
a shift in trade winds in the pacific causes a large mass of cold water to replace warm water, bringing in a cold air mass and cold weather.

b.
a shift in trade winds in the pacific causes a large mass of warm water to replace cold water, bringing in a warm air mass and warm weather.

c.
water moves from the equator toward great britain and europe, causing warmer temperatures.

d.
the moon and earth line up at a 90° angle, causing large tides and warmer weather.

this is science not mathematics