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23 Cards in this Set
- Front
- Back
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natural resource |
anything created through natural processes that people use and value |
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potential resources |
things that might become resources in the near future |
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supply and demand |
the price of a substance in the marketplace, as well as the quantity that is bought and sold |
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externalitites |
spill over effects arising from production and or consumption of goods and services for which appropriate compensation is not paid |
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substitutability |
on substance for another is important in stabilizing resources prices and limiting problems caused by resource scarcity |
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sustainablilty |
a resource use that meets the needs of the present without compromising the ability of future generations to meet their own needs |
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nonrenewable resources |
form so slowly that for practical purposes they cannot be replaced when used |
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renewable resources |
are replaced continually at least within a human lifespan
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cartels |
a group of countries or firms that agree to control a particular market by limiting production in order to drive up prices |
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sanitary landfills |
a layer of earth is bulldozed over the garbage each day |
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biomass fuel |
is derived from burning wood but it also includes the processing of other plant material and animal waste |
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hydroelectric power |
energy of moving water used to generate electricity |
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photovoltaic cells |
a direct conversion of solar energy to electricity |
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pollution |
elevated levels of impurities in the environment caused by human activity |
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most common air pollutants |
carbon monoxide (O2) sulfur oxides (SOn) nitrogen oxides (NOn) hydrocarbons particulate |
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acid deposition |
acid rain, occurs when sulfur oxides and nitrogen oxides, produced mainly from burning fossil fuels are discharged into the atmosphere |
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photochemical smog |
hydrocarbons and nitrogen oxide in the presence of sunlight |
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temperature inversions |
warmer air lies above cooler air |
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dissolved oxygen |
concentration in water indicates e health of a stream and lake |
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biochemical oxygen demand |
the oxygen consumed in decomposing organic waste |
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eutrophication |
when runoff carries fertilizer from a farm field into a stream or lake, the fertilizer nourishes excessive production of phytoplankton |
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toxic substances |
chemicals that are harmful even in very low concentrations |
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sustained yield |
development of manufactured lumber and the growing use of paper are key to the establishment of sustained yield forestry |
