The dividing line between two drainage basins is called a watershed or drainage divide. It refers to the elevated area of land that separates adjacent drainage areas, directing the flow of water into different rivers or basins. Watersheds play a crucial role in hydrology and can vary in size from small hills to large mountain ranges.
grey line
It is called a border.
it is for dividing
A boundary line is the dividing line between parcels of real property. It is sometimes a line that is surveyed according to the property's legal description, and sometimes the result of adverse possession (see link below).
The dividing line between the numerator and denominator in a fraction is called the "fraction bar" or "vinculum." The numerator is the top part of the fraction, representing the number of parts being considered, while the denominator, located at the bottom, indicates the total number of equal parts that make up a whole. This structure helps in understanding the relationship between the two values in the context of division.
A dividing line between two places is usually called a border.
A dividing line between two places is usually called a border.
Continental Divide is the drainage that divides sea or ocean. The Great Divide or the Continental Divide of the Americas is the division of the Pacific Ocean watersheds from the Atlantic and Arctic.
The equator is the dividing line between the northern and southern hemispheres. It is an imaginary line that circles the Earth halfway between the North and South Poles.
There is also a view as EurAsia is one continent and there is no dividing line between the two. In contrast if we look, the Ural Mountains in Russia could be a dividing line between Europe and Asia.
border ..
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eurasia
The Equator.
It is called a border.
The geographical dividing line between the Tidewater and the Piedmont in Virginia is the Fall Line