The following figure shows the net primary productivity (NPP)in marine biomes around the world.
One factor that influences the areas with 90 g/m² per year in the above diagram involving nutrient-rich layers being driven to the surface is ________.

Question

The following figure shows the net primary productivity (NPP)in marine biomes around the world.
  One factor that influences the areas with >90 g/m² per year in the above diagram involving nutrient-rich layers being driven to the surface is ________.

Quizplus · Accepted Answer

The Answer of The following figure shows the net primary productivity (NPP)in marine biomes around the world.
  One factor that influences the areas with >90 g/m² per year in the above diagram involving nutrient-rich layers being driven to the surface is ________.

The Following Figure Shows the Net Primary Productivity (NPP)in Marine