The Hoover Dam (and all other dams) was built on a river to do what?
To keep the river from flooding
200
What is state #2?
New Mexico
200
What is a desert?
A region where very little rain falls
200
There is a border between the U.S. and another country in this region, using the Rio Grande River. What is the other country?
Mexico
300
What is state #3?
Texas
300
What is an aqueduct?
A pipe or canal for carrying water over a long distance
300
What natural resource is important in this region?
oil or natural gas
400
What is state #4?
Oklahoma
400
What is a reservoir?
An area where water is stored for people's use
400
Name three major cities in this region.
Dallas, Phoenix, and Austin
500
Name all four states in this region.
Arizona, New Mexico, Texas, and Oklahoma
500
What is the importance of irrigation to this region?
This area is dry and irrigation helps to bring water to this area, using water from another place. It helps the people of the region have easier access to water.
500
Why is the Colorado River so important to this region and how does it impact Arizona?
The Colorado River provides drinking water to farmlands, and helps produce electricity for the region.The river is used to bring water to Arizona through irrigation.