Some advances of the Empire include the mathematical system of algebra, the invention of the toothbrush, the musical instrument guitar, magnifying glasses used in optics, they were the first to brew coffee, first to create the concept of a hospital and surgical practices that lead to treating ailments of the ear and esophagus.
Bullying in school or mabey something is going on at home something like that. Or someone dies :( Hope that Helped! Have a good day
We get tired after exercise because our muscle fibers get tired very quickly. This is due to the major source of energy for the muscle tissue, called adenosine triphosphate, or ATP. As the muscles make use of this supply of energy, they get tired and fatigue.