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Science Ch4
Environmental Sci Ch4
Term | Definition |
---|---|
litter | the layer of dead leaves and grass on top of the soil |
topsoil | an upper layer of soil consisting of rock fragments, nutrients ,water, air and decaying plant and animal matter |
erosion | the process by which water, wind or ice moves particles of rock or soil |
incineration | the burning of solid waste |
sanitary landfill | a landfill that holds non hazardous waste such as municipal solid waste and construction debris |
biodegradable | capable of being broken down by bacteria and other decomposers |
composting | the process of helping biodegradable wastes to decompose naturally |
hazardous waste | a material that can be harmful if it is not properly disposed of |
sewage | the water and human wastes that are washed down sinks, toilets and showers |
emissions | pollutants that are released into the air |
radon | a colorless, odorless, radioacative gas |