Deep ocean currents lead to an upwelling of nutrient rich water because Multiple Choice the violent tropical storms striking the west coast of North and South America during El Niño stir up these currents. it is necessary to sustain the marine food chain. thunderstorms occuring in Indonesia and southeast Asia are removing much of the surface water in the western Pacific. the water is needed to replace the surface water which is pushed westward.

Deep ocean currents lead to an upwelling of nutrient rich water because Multiple Choice the violent tropical storms striking the west coast of North and South America during El Niño stir up these currents. it is necessary to sustain the marine food chain. thunderstorms occuring in Indonesia and southeast Asia are removing much of the surface water in the western Pacific. the water is needed to replace the surface water which is pushed westward.