A river, mountain, canyon, ocean, or any other geographical feature that separates two regions. This can also be man-made buildings and structures.
Well, Geographers! :)
Geographers study about the land
how do geographers look at the world
The geographers made a map of the town.
Geographers divide the earth using hemispheres.
geographers study how people interact with each other
Geographers call an island chain an Archipelago.
Geographers classify climate regions by the weather and climate they have
Society of Woman Geographers was created in 1925.
Canadian Association of Geographers was created in 1951.
Association of American Geographers was created in 1904.
Geographers who make or design maps are called cartographers.