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20 Cards in this Set
- Front
- Back
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what is urbanization?
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moving to cities for jobs
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what is urban crisis?
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people move quickly to cities and there's not enough infrastructure
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2 steps on how to avoid urban crisis?
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1.build more mass transit 2. plan the growth of a city
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what are minerals?
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solid substances found in nature that consist of a single element or compound
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what is an ore?
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rocks that contain minerals
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what are the 3 types of surface mines?
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open pit, quarry, strip mining
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what is open pit mining?
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mining near the surface
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what is quarry mining?
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rocks and gravel
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what is strip mining?
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removing strips of land
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what are the two types of mining?
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surface and subsurface
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what is the pro of mining?
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make money
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what are the three cons of mining?
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human injury, destroys surface, pollutes ground water
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what are three ways to avoid mining problems?
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do less mining, recycle, and reclamation
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what is reclamation?
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restoring the landscape
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where are three places to drill?
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where other gold has been found, geology clues, what plants are there
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what are 4 factors of drilling that effect profit
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how many drill holes are successful, amount of ore, purity, current price
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what re 3 reasons for logging?
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space for farming/cattle, wood, paper
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what was the first national park? where and when was it established?
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the yellowstone national park in wyoming in 1872
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what is wilderness
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land protected by the government, not allowed to have motors of any kind.
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what is open space
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land use for public use (golf coarse, ski resort)
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