The protons have to stay the same
The statement that best summarizes Darwin's theory of natural selection is D. Organisms best suited to their environment will survive and reproduce. This is becasue let's say some giraffes have short necks and some long necks and their food is leaves on high trees then the long necked giraffes will survive over short necked giraffes because short necked giraffes can't reach for their food and eventually there will be only long necked giraffes left and they will reproduce with other long necked giraffes and make long necked giraffes.
True, a protein is made up of amino acids. These amino acids form chains to become a protein, and are combinations of 20 different types in total.
According to uniformitarianism, (C) the rate of geolgic processes remain the same over time, and the processes themselves remain the same.
Carbohydrate loading, or carbo-loading, is one of the strategies used by athletes to maximize the storage of glycogen in the muscles and liver. This would lead to them getting more energy. This strategy is usually used by endurance athletes for events such as marathons or triathlons.
