The World's Major Oceanic Fisheries Are in Upwelling Zones Because

Multiple Choice

The world's major oceanic fisheries are in upwelling zones because

A) this is where the warmest and thus most productive waters are found.
B) deep water is forced up in these zones bringing fish to depths where they are more economically fished.
C) deep water is forced up in these zones bringing nutrients to phytoplankton near the surface.
D) the deep water forced up in these zones contains high levels of phosphorous.
E) deep water is forced up in these zones bringing phytoplankton to fish near the surface.