Which of the following identifies Norman Borlaug's primary contribution to high-yield agriculture? •the development of synthetic fertilizers
•the development of genetically modified grains
•the development of SRI rice farming techniques
•the development of high-yield hybrid grain

idk im sorry.

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.