In Ocean Environments,the Highest Net Primary Productivity Tends to Be

Multiple Choice

In ocean environments,the highest net primary productivity tends to be in coastal zones and upwelling zones,because they

A) receive the most rainfall.
B) receive constant inputs of nutrients.
C) are all in temperate or tropical zones.
D) are shallow and therefore receive the most sunlight.
E) are close to hydrothermal vents,which provide nutrients.