Oxyhemoglobin releases more oxygen to the tissue when... A)carbon dioxide concentration are high

B)carbon dioxide concentration are low

C)partial pressure of carbon dioxide is low

D)partial pressure of oxygen is high

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.

answer///(c) the maximum number of organisms an environment can support for a long time; i believe this is correct, plz check luck;