Completed 0 of 10 questions.
Which geographic phenomenon is most responsible for the constant threat of earthquakes along the Pacific coast?
What name is given to the entire mountainous mass in western North America?
The largest concentration of Canadians is located in what part of Canada?
Which of the following features on the North American physical landscape are the work of glaciers that once covered large parts of the continent as recently as 10,000 and 15,000 years ago?
What process resulted in the formation of the North American central lowland that lies in between the two major mountain ranges of the continent?
Which of the following mountain chains is the oldest, and hence the most eroded?
What is the main source of moisture east of the Rocky Mountains?
San Diego, Los Angeles, San Francisco, Portland, Seattle, and Vancouver are all:
Which of the following is NOT a main livelihood of significant numbers of people along the North American Pacific coast?
At the end of the twentieth century, what was the rate of natural increase in North America?