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Unit 1 - Lesson 1
United States and Canada Geography
Question | Answer |
---|---|
an imaginary line in the Rockies from where our nation's rivers flow east or west | Continental Divide |
a deep valley with high, steep sides | canyon |
a flat or rolling grassland found in the midwestern region of the US | prairie |
a large urban area formed by several cities | megalopolis |
a frozen, treeless plain where only grasses and mosses can grow (in the Arctic) | tundra |
a large mass of ice | glacier |
a river or stream that flows into a larger river | tributary |
the exact location expressed by latitude and longitude | absolute location |
an imaginary line, or parallel, that runs east and west, but measures north and south of the equator | latitude |
an imaginary line,or meridian, that runs north and south, but measures east and west of the prime meridian | longitude |
the main line of latitude, labeled 0 degrees, divides earth into northern and southern hemispheres | eguator |
main line of longitude, labeled 0 degrees, divides earth into eastern and western hemispheres | prime meridian |
describes the location of a place in relation to another place (Ex. north of the US) | relative location |
the way a country's people use natural resources and money to produce goods and services | economy |
a method of supplying land with water through a series of ditches or pipes | irrigation |
a shortage of goods or services | scarcity |
electricity made from flowing water | hydroelectric power |
materials found in nature that can be replaced | renewable resources |
dry | arid |
materials found in nature that can't be replaced | nonrenewable resources |
moisture that falls to the ground in the form of rain, sleet, hail, or snow | precipitation |
a long period of little of no rainfall | drought |
mild weather that is neither too hot nor too cold, has changing seasons | temperate climate |
the gradual increase of the Earth's temperature, threatens our environment | global warming |