gFlashcards

a large flat-bottomed boat, usually used for carrying freight

bowl-shaped area of land surrounded by higher land

a dividing line between two states or countries

a deep valley with steep sides often carved from the earth by a river

the path that a river or stream follows

a wall built across a stream or river to hold back water

a triangle-shaped area of land made from soil deposited by a river

direction in which a river or stream flows from its source to its mouth

in danger of extinction, or dying out forever

The land that gets covered by water from a stream or river during a flood

water without salt

a large ice mass that moves slowly down a mountain or over land

A body of water completely surrounded by land

S-shaped curves in a river

place where a stream or river flows into a larger body of water

the place where a river begins

small river or stream that flows into a large river or stream; a branch of the river

direction opposite the flow of a river; toward the source of a river or stream

a stream of water that falls from a high place

an area where the soil is usually wet or covered with water