Sickle cell anemia is a genetic condition that distorts the shape of the hemoglobin. This reduces the capacity of the red blood cells to carry oxygen. Another effect is that the distorted red blood cells come together forming a heavy and compact collection of cells that can block the flow of blood. The sedimentation rate is increased by sickle cell anemia.
The correct answer would be D), over millions of years, Pangaea broke apart and drifted to form the seven continents.
This is potential energy because while he was aiming at a bull's eye target, he is storing energy
