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.
If the statement is asking whether it is true or false, the
answer is true. The body can make its own lipid because of the food that we eat
and also because it is found in the body where it is located in the tissues and
the cells. It does compose of ring structure as it has multiple rings which are
considered essential and the lipids are considered to be a part of a cell
membrane.
The poles cannot move 10 km a year because they are connected to earth which moves way more than that