Available Answers

1. 1.

   Fill in the blanks.

   1. The Tropic of ___________ and the ___________ Circle pass through North America.
   2. In the northwest, the ___________ ___________ separates North America from Asia.
   3. The countries of ___________, the ___________ and ___________ account for more than 90% of North America's area.
   4. ___________ is the highest peak in North America.
   5. The ___________ ___________ is drained by the Snake River.
   6. A series of droughts in the states of Nebraska and eastern Colorado turned a large area here into a human-made desert called the ___________ ___________.
   7. The lakes ___________, ___________, ___________, ___________ and ___________ are together called the Great Lakes.
2. 2.

   Tick the sentences that are true. Correct the others.

   1. The Appalachian Mountains form the Continental Divide separating the rivers that flow into the Pacific Ocean from those draining into the Atlantic and Arctic Oceans.
   2. The snow-covered Cordillera redirects moisture- laden winds from the Pacific Ocean to cause hailstorms.
   3. The Canadian Shield is an intermontane plateau that is drained by a large number of rivers.
   4. The Appalachian or Eastern Highlands were once higher than the Himalayas but their elevations were significantly reduced by mining.
   5. The Rio Grande River forms the boundary between Canada and the USA.
3. 3.

   Multiple choice questions.

   1. The capital of the USA is:
      1. New York
      2. California
      3. Washington, D.C.
      4. Ottawa
   2. In Spanish, the word 'cordilleras' means:
      1. twisted ropes or cords
      2. Shoes
      3. scissors
      4. tug of war
   3. The eastern part of the Central Lowlands is drained by the river:
      1. Mackenzie
      2. Mississippi and its tributary, the Ohio River
      3. Nelson
      4. Yukon
   4. The Niagara Falls lie between:
      1. Lake Superior and Lake Michigan
      2. Lake Winnipeg and Lake Athabasca
      3. Lake Huron and Lake Great Bear
      4. Lake Erie and Lake Ontario.
4. 4.

   The Cordillera has several active volcanoes. Give reasons.

5. 5.

   The large intermontane plateaus that lie between the parallel ranges of the Western Cordillera receive very little rainfall. Give reasons.

6. 6.

   Parts of Nebraska and Colorado had turned into the Dust Bowl after the First World War. Give reasons.