Quiz 1: What is Environme Which of the following statements about carbon dioxide is not true? Increased carbon dioxide in the atmosphere increases the Greenhouse Effect. Carbon dioxide is a greenhouse gas. Atmospheric carbon dioxide levels have slowly declined over the last 50 years. Burning fossil fuels can increase carbon dioxide levels in the atmosphere.​

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.