The Ural River and Ural Mountains are often used to designate the European part of Russia from the Asian part.
the Big Sioux is used to define the boundary between South Dakota and Iowa.
A line of demarcation is used to denote a boundary , or separation, between two areas. An example of this term used in a sentence would be, "Hadrian's Wall established a line of demarcation between Roman settlements in England and the wild men of Scotland. "
A side is usually a straight line that forms a boundary of a polygon. Occasionally, the term is also used for a curved boundary.
Tree line.
The baseline in basketball is the boundary line running along the width of the court. This line is used to pass in the ball when the opposite teams scores.
It is an "open" circle. That is, a circle which is not filled in.
The Ohio River forms the boundary between Indiana and Kentucky.Ohio RiverThe Ohio River is used as the political northern boundary of Kentucky, separating it from Ohio, Indiana and Illinois (the former "Indian Territories" and "Northwest Territory").It's an obvious natural boundary, being the largest river in the U.S. in terms of water flow. Politically, we say that the Ohio River flows into the Mississippi River at Wickliffe, Kentucky (and Cairo, Illinois) because of a naming error by early explorer Rene Robert de la Salle; but scientifically (hydrologically) the great river that passes by Memphis and Vicksburg and Natchez and Baton Rouge is actually the Ohio River. On a typical day, nearly 65% of the water that flows by New Orleans passed by the Ohio River city of Paducah, Kentucky a few days earlier; only about 35% comes from St. Louis.
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water from the nile was diverted by digging ditches in the ground in fields, when the river raised the water would go down the ditches. the ground would then soak up the water and plants would grow.
They would have used either the Colorado,Columbia,Mississippi,or the Ohio river.
they used a physical to escape thier home country