What is Gravity? A- a natural phenomenon that we understand completely.

B-a natural phenomenon by which all things with mass or energy-are brought toward (or gravitate toward) one another.

B-a natural phenomenon by which all things with mass or energy-are brought toward (or gravitate toward) one another.

the correct option is option d

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.