What is a free trade area?
a group of countries that have agreed to eliminate tariffs and trade barriers
What is the largest factor leading to increased urbanization?
migration
T or F
Deserts advance linearly, in easily mappable patterns.
False
What form of renewable energy has declined in recent years?
hydropower
Variable. It varies from temperate in the south to subarctic in the north.
The Mexican economy is based on which natural resource?
What are some push factors that might cause a person to migrate to a new country?
T or F
Glaciers store about 75% of the world's freshwater
What percentage of the world's lumber harvest goes to paper production?
25%
Varying from desert to tropical.
What are the two most important resources in Canada?
Timber and oil
What was a main benefit of the spread of disease in the New World for the colonists?
The colonist found open expanses of wilderness for the taking
Approximately what portion of North America is covered by forests?
1/3
The reversal of oceanic currents in the equatorial Pacific is commonly called
El Nino
Describe the climate of the United States.
Mostly temperate
What are some types of renewable energy we currently use?
Native, or belonging naturally to a particular region.
Which of the following factors helped make inland transportation and commerce possible in the United States?
The intricate river systems
What is the main role of the Westerlies?
Carrying the warm, equatorial waters and winds to the western costs of continents.
T or F
Desertification can be caused either by climate change or destructive land use
True
What was the primary purpose of NAFTA?
What is the music of the Unites States considered distinct and unique?
The US has not had centuries for a musical tradition to evolve.
Changes in the earth’s climate caused the ice sheets to grow.
T or F
The location and arrangement of both physical and human phenomena form regular and recurring patterns.
True
Why is better climate prediction important?
To help better manage agriculture, water supplies and fisheries.