PLease help will give brainliest Which marine ecosystem is among the most productive and found globally in cold nutrient-rich waters?

Coral reefs
Intertidal zones
Kelp forests
Neritic zones

and after water is usually warmed by the sun the water temperature raises and then evaporates .

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.

segmented body, an exoskeleton made from chitin, and joint appendages.