Land and Water
the major mountain range in western North America
What is the Rocky Mountains?
a cold, dry region covered with snow for more than half the year.
What is a tundra?
electric power produced by moving water
What is hydroelectricity?
a huge, slow-moving mass of snow and ice
What is a glacier?
A river that flows into a larger river
What is a tributary?
a region of flat or rolling land covered with grasses.
What is a prairie?
a fuel formed over millions of years from animal and plant remains
What is a fossil fuel?
the world's largest group of freshwater lakes
What is the Great Lakes?
The Great Lakes were formed by this.
What are glaciers?
What is the Central and Great Plains of North America?
Until the 1900s, most farms in the US were owned by _________.
What are families?
a political division of land in Canada
What is a province?
What is the plains?
Much of the climate of Canada is________.
What is very cold?
The Prairie Provinces and the St. Lawrence Lowlands are major __________.
What are agricultural regions?
a permanently frozen layer of ground below the top layer of soil
What is permafrost?
This separates east-flowing from west flowing rivers.
What is the Continental Divide?
Name the four major kinds of natural vegetation in the United States and Canada.
What are tundra, grassland, desert scrub, and forest?
The Mississippi, Ohio, and Missouri rivers are important __________.
What are shipping routes?
a large company that runs huge farms
What is a agribusiness?