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Chapter 5
Term | Definition |
---|---|
cordillera | a region of parallel mountain chains |
timberline | the elevation above which it is too cold for trees grow |
contiguous | joined together inside a common boundary |
significant | important |
create | to make |
continental divide | an imagery line through the rocky mountains that seperates rivers that flow west from river that flow east |
irrigation | the process of collecting water and using it to water crops |
Chinook | a dry wind that sometimes blows over the Great Plains in winter |
ethanol | a liquid fuel made in part from plants |
national parks | a park that has been set aside from public to enjoy for its great natural beauty |
nomadic | describes a way of life in which a person group lives by moving from place to place |
pueblo | a town built by Pueblo people in the american southwest |
established | to start |
mission | a catholic base community in the west |
frontier | a region just beyond the edge of settled area |
data | information |
manifest destiny | the idea that is right of Americans to expand westward to the pacific ocean |
annex | to declare ownership of an area |
extinct | describing a particular kind of plant or animal that has disappeared completely from Earth |
reservation | an area of land that has been set aside for naive americans |
annual | yearly |
Mormons | a member of the church Jesus Christ of latter day saints |
dust bowl | the southern great plains during the severe drought of the 1930s |
topsoil | the fertails soil that crop depend on their growth |
decline | to reduce the number |
agribusiness | an industry based on huge farms that rely on machines and mass-production methods |
aerospace | the industry that makes vehicles that travel in the air and in outer space |