Dean wants to use shallow pans, water and adjustable lamps to make a model that compares how sunlight affects the ocean at Earth’s equator and its poles. How should he design his model?

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.

i think that it is c, d, and e, hope this

c is the correct answer!