5 Written questions
4 Multiple choice questions
- winds that flow from west to east
- a section of a waterway with closed gates where water levels are raised or lowered, though which ships pass.
- a land bridge thought to have connected what are now Siberia and Alaska.
- One of the two major mountain chains in the united states and Canada extending 1,600 miles from Newfoundland south to Alabama
4 True/False questions
Permafrost → permanently frozen ground
The Canadian Shield → the northern part of the interior lowlands that is a rocky,flat, region covering nearly tho million square miles and encircling Hudson Bay.
Everglades → a large subtropical swampland in Florida of about 4,000 square miles
Mackenzie River → a land bridge thought to have connected what are now Siberia and Alaska.