4. The Streptococcus pyragenes is a single-celled organism that lacks a true nucleus. It is commonly found throughout the world and is a major cause of human sickness. This organism belongs to the kingdom: A. Protista B. Animalia Eubacteria D Plantae​

Option C, Eubacteria since that's the only unicellular organism listed in the options...

Explanation:

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.