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19 Cards in this Set
- Front
- Back
leaf litter |
material forming a surface-covering layer, in particular.
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Dust Bowl |
an area of land where vegetation has been lost and soil reduced to dust and eroded, especially as a consequence of drought or unsuitable farming practice.
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Soil erosion
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Soil erosion is defined as the wearing away of topsoil. Topsoil is the top layer of soil and is the most fertile because it contains the most organic, nutrient-rich materials. One of the main causes of soil erosion is water erosion, which is the loss of topsoil due to water.
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farming
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the activity or business of growing crops and raising livestock.
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agriculture
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the science or practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
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grazing
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grassland suitable for pasturage.
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logging
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the activity or business of felling trees and cutting and preparing the timber.
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mining
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the process or industry of obtaining coal or other minerals from a mine.
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construction
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the style or method used in the building of something.
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Recreational activities
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Recreation is an activity of leisure, leisure being discretionary time. The "need to do something for recreation" is an essential element of human biology and psychology. Recreational activities are often done for enjoyment, amusement, or pleasure and are considered to be "fun".
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Superfund act
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Superfund is a United States federal government program designed to fund the cleanup of sites contaminated with hazardous substances and pollutants. It was established as the Comprehensive Environmental Response, Compensation, and LiabilityAct of 1980 (CERCLA)
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Superfun site
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.A Superfund site is any land in the United States that has been contaminated by hazardous waste and identified by the EPA as a candidate for cleanup because it poses a risk to human health and/or the environment. These sites are placed on the National Priorities List (NPL).
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Hazardous waste
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Hazardous waste is waste that poses substantial or potential threats to public health or the environment. In the United States, the treatment, storage, and disposal ofhazardous waste are regulated under the Resource Conservation and Recovery Act (RCRA).
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Toxic
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toxic waste definition. A general term used to refer to chemical compounds produced by industry which, if they are ingested or breathed in by humans, can cause physiological damage. The disposal of toxic wastes is a major environmental problem in the United States.
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Chemically active
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An element's chemical activity is defined as its stability relative to the elements surrounding it on the periodic table. Chemical activity is also related to electronegativity. Elements that are highly electronegative are highly reactive, while elements that have low electronegativity are less reactive.
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Corrosive
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tending to cause corrosion.
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Flammable
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fire prone |
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Pesticides
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a substance used for destroying insects or other organisms harmful to cultivated plants or to animals.
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Medical wastes
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Medical waste is defined as: potentially infectious waste materials generated at health care facilities, such as hospitals, clinics, physician's offices, dental practices, blood banks, and veterinary hospitals/clinics, as well as medical research facilities and laboratories.
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