Planets for Human Settlement 1. Planets A, B, and C revolve around stars exactly like the sun in orbits just like that of Earth. Could planet A possibly support human life? Explain.
2. Could Planet B possibly support human life? Explain.
3. Could Planet C possibly support human life? Explain.
4. If it were located in Earth's orbit, could Venus support human life? Explain.
5. If it were located in Earth's orbit, could Mars support human life? Explain.

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

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.