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to treat or process (used or waste materials) so as to make suitable for reuse: BROWNFIELD. an industrial or commercial site that is idle or underused because of real or perceived environmental pollution. COMPOSTING. a mixture of various decaying organic substances, as dead leaves or manure, used for fertilizing soil.
Diagram representing the flow of energy through each trophic level in a food chain or food web. With each energy transfer, only a small part (typically 10%) of the usable energy entering one trophic level is transferred to the organisms at the next trophic level. Biogeochemical Cycles. pathway by which a chemical substance
Congress passed a law in order to encourage brownfields, sites that contain hazardous waste, to be cleaned up and rebuilt as parks or other recreational things. The 1976 law that required leaded gasoline to be phased out by 1986 was fairly successful. CERCLA aka superfund is a program that is used to identify sites that
Brownfield site. Land previously used for industrial purposes. Ecosphere. Like biosphere but includes both abiotic and biotic things. Biosphere. Consists of all life on Earth and all parts of the Earth in which life exists, including land, water, and the atmosphere. Biomes. Different regions which support various kinds of life (i.e.
Yucca Mountain, Nevada. the proposed site for permanent storage of high-level nuclear waste, 70 miles from Las Vegas. Three Gorges Dam, China. the world's largest dam on Yangtze River submerged ecosystems. Clinch River, TN. The Tennessee Valley Authority's holding power plant near Knoxville had a wall breached
Organisms are classified according to their trophic level which is the step they occupy in a food chain or web. Producers (autotrophs). Make their own food (through photosynthesis [6CO2 + 6H2O > C6H12O6 + 6O2]) and occupy the first trophic level. Consumers (heterotrophs). gather energy by consuming organic material
These practices include source reduction, recycling, composting, waste combustion, and landfilling. brownfield. abandoned industrial sites. composting. The controlled biological decomposition of organic solid waste such as food scraps and yard trimmings. Through composting, organic waste materials are transformed into
Advantages and Disadvantages of On-Site Storage Advantages and Disadvantages of Deep Geologic Disposal Systems Approach Difference Between Energy Conservation and Energy Efficiency. Energy conservation- finding ways to use less energy. For example, lowering your thermostat during the winter or
Usually, however, products leave the system within hours of their use (paper cups, etc) everything will eventually wear down and be disposed of. What is the waste stream? the flow of solid waste that is recycled, incinerated, placed in a solid waste landfill, or disposed of in another way. What materials make up MSW?
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Annons