Confidence votes 86.8K. TB is a communicable disease. A communicable disease is a disease that can be passed on in one way or another from a Carrier of the disease to some one else. and is usually the result of a virus or bacterial infection.
The Mississippi is one of the worldâs great rivers. It spans 3,860 miles (6,210 km) of length as measured using its northernmost west fork, the Missouri River, which starts in the Rocky Mountains in Montana, joining the Mississippi proper in the state of Missouri.
The uppermost lock and dam on the Upper Mississippi River is the Upper St. Anthony Falls Lock and Dam in Minneapolis. Above the dam, the river's elevation is 799 feet (244 m). Below the dam, the river's elevation is 750 feet (230 m). This 49-foot (15 m) drop is the largest of all the Mississippi River locks and dams.