If a volcano is dormant, it is unlikely to do this:

48 of our 50 states are this, or located inside a common boundary:

The high ridge of the Rocky Mountains forms this, and determines the direction rivers will flow:

Hurricane Katrina occurred in this year:

These are the oldest mountains in North America:

An earthquake occurred in San Francisco in 1989 and this year, about 111 years ago

This is the longest river in North America:

This "rugged" mountain system is on the eastern edge of a cordillera:

The horseshoe-shaped area of rocky hills, lakes, and evergreens that surround Hudson Bay is: 

This is an important Canadian river, connecting the Atlantic Ocean to the Great lakes:

Wind systems (storms) that form in tropical areas are known as:

Hurricanes often bring these, or high levels of sea water, that usually cause the most damage:

Cleveland, Chicago, and this city, A.K.A. "The Motor City" are located in the Central Lowlands:

The two countries that make up the majority of North America are:

This "huge city" is an important economic, cultural, and political center in the U.S.:

The "source" (where a river starts) of the Mississippi River is in this state.Go, Vikings!:

This state ranks first in oil and natural gas reserves, y'all!

Most Canadians and Americans avoid the extreme climates and live in these latitudes:

Evergreen trees are able to survive bitterly cold winters because of these holding in moisture:

Based on land area, not population, this country is the second-largest country in the world, Eh?:

This important Canadian river empties into the Atlantic Ocean:

Rivers flow towards this ocean if they are west of the Continental Divide:

 According to our text, the U.S. and Canada have approximately this many years of coal left:

Winters and summers are this in subarctic climates (p. 60):

This was the reason many farmers left the Great Plains during the 1930's: