7 questions
In the desert region of the Southwest, finding enough ___________ for a growing population can be a challenge.
water
gas
soda
The ____________ lies on the border between Nevada and Arizona.
Mississippi River
Hoover Dam
Las Vegas
The Hoover Dam controls the flow of the ___________________.
Mississippi River
Colorado River
Ohio River
It's reservoir, Lake Mead, provides most of ______________ water.
Pennsylvania's
Oklahoma's
Arizona's
A layer of rock, sand, or gravel that absorbs water is called a ________________.
canal
aquifer
aqueduct
A human made lake is called a _____________.
reservoir
dam
aqueduct
An ________ is a large pipe or canal built to carry water.
aquifer
reservoir
aqueduct