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19 Cards in this Set
- Front
- Back
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natural resources |
materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain |
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export |
a commodity, article, or service sold abroad |
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import |
a commodity, article, or service brought in from abroad for sale |
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nonrenewable resource |
a resource not regenerated or restored on a time scale comparative to its consumption |
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renewable resource |
a resource regenerated or restored on a time scale comparative to its consumption |
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crude oil |
a fossil fuel that is refined into many different energy products |
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bituminous |
type of coal most common in US; has highest sulfur content of all coal types |
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anthracite |
hardest coal with greatest energy output |
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lignite |
softest coal with lowest energy output |
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municipal solid waste |
waste from households |
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industrial solid waste |
waste from industries |
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hazardous waste |
waste that require special disposal due to toxicity |
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wastewater |
water from households and industry |
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composting |
the conversion of organic waste into mulch, humus or fertilizer through the natural biological processes of decomposition |
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recycling |
the process of converting waste into a reusable material |
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landfill |
a place where waste is dumped and then covered with soil |
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incineration |
the process of burning waste |
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environmental health |
the assessment of environmental factors that influence human health and quality of life, and steps taken to avoid environmental hazards or minimize its effects |
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environmental hazard |
a substance or event which has the potential to threaten the surrounding natural environment |
