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17 Cards in this Set
- Front
- Back
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wetlands
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lowland area, such as a marshy or swampy place, that holds moisture
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anthracite
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hard coal
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loam
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A brown soil made up of sand, silt, clay, and organic matter.
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mouth
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part of a river where its water empties into another body of water
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headwaters
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the source of a stream
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fossil fuels
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resources formed millions of years ago from remians of plants and animals under the earth's crust
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mineral resource
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any useful substance found in the earth that has NOT been formed by plant and animal remains
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source
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the beginning of a stream of water
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reservoir
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an artificial lake where water is stored and collected for a water supply
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non-renewable
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something that cannot be extended, renewed, or replaced
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natural gas
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gas coming from the earth's crust through natural openings or bored wells
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tributary
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a smaller stream flowing into a larger stream, river, or lake
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watershed
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a geographic area or region into which all the creeks and tributaries flow into a larger river
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natural resource
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Raw materials that exist in a natural state and are used to produce products, or finished goods.
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petroleum
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any oily flammable liquid obtained from wells drilled in the ground and refined into gasoline and fuel oils
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bituminous
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soft coal
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forest
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a large growth of trees and underbrush
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