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Author Question: A satellite of mass m has an orbital period T when it is in a circular orbit of radius R around the ... (Read 25 times) |
Blood is approximately twice as thick as water because of the cells and other components found in it.
For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.
Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.