Lesson Quiz 6-1: Canada

The __________ is the elevation above which it is too cold for trees to grow.

• timberline

• water table

• frost line

• treefall

In spring, a warm, dry wind called the __________ blows down the eastern slopes of the Rockies and melts the snow.

• chinook

• sirocco

• mistral

• monsoon

Canada's Athabasca __________ contain large deposits of heavy crude oil.

• Tar Sands

• Mountains

• Lakes

• Forests

The coastal Atlantic and Pacific waters have long been important __________, or places for catching fish and other sea animals.

• fisheries

• forests

• deserts

• mountains

In recent years, __________ in Canada has caused fish stocks to drop dangerously.

• overfishing

• deforestation

• urbanization

• mining

A growing economic activity in Canada is __________, which has caused controversy in the fishing industry because of potential risks to consumers.

• overfishing

• damming

• logging

• aquaculture

The __________ stretch more than 3,000 miles (4,828 km) from New Mexico to Alaska.

• Appalachian Mountains

• Rocky Mountains

• Pacific Ranges

• Great Plains

Which of the following is North America's oldest mountain range?

• Appalachian Mountains

• Cascade Range

• Coast Range

• Canadian Rockies

Among the ocean currents that play a major role in Canada's climates is the warm, northward-flowing current known as the

• Canadian Shield.

• Labrador Current.

• Gulf Stream.

• Alaska Current.

The body of water that flows from the Great Slave Lake to the Arctic Ocean, draining much of Canada's northern interior, is called the

• St. Lawrence River.

• Mackenzie River.

• Fraser River.

• Niagara River.