All living things must be able to reproduce and develop, react to their environment, be made of cells, and use energy.
Oxygen ... The biogeochemical cycle of phosphorus differs from the cycles of carbon and nit.
The answer is 12.5%.
Each gram of protein has four calories. Therefore, 50 grams of protein contain 200 calories. In order to find the percentage of total energy intake that comes from protein, we need to do the division: 200/1600 * 100 = 12.5. Protein is needed for body growth and maintenance and energy.
50%, don't know if you use pun nett squares but Google them, they simplify it so much.
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