loss of thermal stability high nutrient concentration consistent surface-current flow rate increased availability of dissolved oxygen
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which characteristic of a cold-water upwelling near the coast of Northern California results in a large concentration of marine organisms?
Possibilities:
- loss of thermal stability
- high nutrient concentration
- consistent surface-current flow rate
- increased availability of dissolved oxygen

high nutrient concentration