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river

large body of water emptying into another river, and ocean or lake

source of a river

where a river or stream begins

mouth ( of river)

where a river or stream flows into a larger body of water such as a lake or ocean

tributary

small river or stream that feeds into a larger river system

lake

body of water surrounded by land

bay or gulf (usually larger)

part of a body of water that is partially enclosed; makes a good port

strait

narrow channel that connects two larger bodies of water

coast

land that borders the sea

ports

point where ships unload passengers and cargo

island

land area that is surrounded by water on all sides

peninsula

body of land jutting into a lake or ocean

elevation

height of above sea level

hill

area of raised land that is lower and more rounded than a mountain

mountain

high and steep rugged land that rises sharply above the surrounding land

mountain range

a series of connected mountains

plain

area of level land, usually a low elevation and covered by grasses

basin

area of land surrounded by higher elevations, usuallyhas a river draining in it

plateau

area of level land or rolling land at high elevation

latitude

distance in degrees north or south of the Equator

longitude

distance in degrees east and west from the Prime Meridian

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