lesson 2 Flashcards
1
Q
what is a tributary?
A
when a smaller stream or a smaller river flows into a bigger body of water.
2
Q
how to tributaries flow to the main body of water?
A
gravity
3
Q
what is a watershed?
A
The land area that supplies water to a river system
4
Q
what is a divide?
A
One watershed is separated from another by a ridge of land
5
Q
what is an oxbow lake?
A
The cut-off bend from a river
6
Q
how can people create a reservoir?
A
By building a dam
7
Q
what are ways that lakes can from?
A
oxbow lakes, ice sheets that melted, movements of earth’s crust, volcanoes blocking rivers
8
Q
how are rift valley lakes created?
A
movements of earths crust
9
Q
what is the process in which nutrients can block up a lake?
A
eutriphication
10
Q
A
