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25 Cards in this Set
- Front
- Back
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renewable resource
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a resource that can be replenished over a fairly short time ( years, months, decades)
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non-renewable resource-
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is a resource that can take millions of years form and accumulate.
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fossil fuel
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any hydrocarbon that may be used as a source of energy
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ore
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a useful metallic mineral that can be mined at a profit
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examples of renewable resources
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plants, water, animals for food, natural fibers for clothing, trees for lumber and paper, wind and sun
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examples non renewable resources
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coal, oil, natural gas, iron, copper, uranium and gold
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examples of fossil fuels
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coal oil and natural gas
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how does coal form
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when heat and pressure transform plant material over millions of years
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power plants primary use _____________ to generate electricity.
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coal
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burning coal causes __________
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air pollution
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how does petroleum form? (oil)
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remains of plants and animals that are buried in ancient seas
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what is an oil trap
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a geological structure that allows large quantities of liquids to accumulate
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energy experts believe that fuels derived from ____________. could become good substitutes for dwindling petroleum supplies.
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tar sands and oil shales
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what are tar sands?
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mixtures of clay and sand combined with water and varrying amounts bitumen
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true or false: the oil in tar sands has a resistance to flow.
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true
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what what is an oil shale?
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a rock that contains a wavy mixture of hydro carbons called kerogens.
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what are mineral reserves?
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deposits from which minerals can be extracted profitably
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what is a mineral resource?
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known deposits that are not yet economically or technically recoverable
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how do the most important mineral deposits from
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they form through igneous processes and from hydro thermal solutions
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what do igneous's processes produce
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impotant deposits like metallic minerals
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what are examples of hydrothermal solutions
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the examples are gold lead zinc and silver
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how do most hydro thermal solutions form
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from hot metal rich fluids that are left during the late stages of the movement and cooling of msagama
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how are placer deposits formed
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when eroded heavy minerals settle quickly from moving water while less dense particles remain suspended and continue to move
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what is the bets known placer deposits
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gold
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what are the 2 mian categories of nonmetallic mineral resources
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buliding materials and industrial minerals
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