Vocabulary
What is a Tundra ?
a treeless plain in Arctic areas
What does the word Navigable mean ?
wide or deep enough to allow the passage of ships
what is a Glacier?
a giant sheet of ice
Name two ways in which the United States and Canada are alike?
Both share most of North America, both have coasts on the Atlantic and Pacific Oceans.
What is Megalopolis?
a group of cities that have grown close together and seem to have formed one city
What's a Tributary?
a river that flows into a larger river
Why does Scarcity happen?
happens when there is not enough resources to make all the produce people want
How are lakes and wetlands different?
Lakes are usually large bodies of deep water. Wetlands have both land and shallow water.
What is a Prairie?
flat, rolling land covered with grass
Describe wetland What's an example of wetland
a low wet area such as a swamp or a marsh
What is Economy ?
the way a nation’s people use natural resources, money, and knowledge to produce goods and services
How are coal energy and wind energy different?
Coal is a nonrenewable resource and a pollutant, while wind energy is renewable and clean.
What is Continental Divide?
an imaginary line in the Rocky Mountains
What does renewable resource mean?
resources that can be replaced
What is Irrigation?
bringing water to dry land through ditches or pipes
How are timber and fishing industries alike?
They are both experiencing scarcity.
What is a Canyon?
a deep valley with steep sides
What is Hydroelectric power ?
describes power generated by water