Environmental Concerns (updated 2023)
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| EPA | Environmental Protection Agency
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| pollution | Contamination of a habitat with substances which make it less favorable for organisms
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| habitat loss | When an organism loses a large part of its natural home
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| DDT | Long-Lasting insecticide which caused the decline of some animal species (dichlor-diphenyl-trichlorethane)
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| ground water | water standing in or moving through the soil and underlying rock layers (the source of water in wells and springs)
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| run-off | the part of precipitation which flows over the land without sinking into the soil
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| erosion | the washing away of soil particles by water, wind, ice, or earth movements such as landslides
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| topsoil | the uppermost portion of the soil, which is richer in organic material and lighter in texture than the material below
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| silt | fine mineral particles in the soil
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| clearcutting | the cutting of all the trees in an area in one operation
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| sewage | untreated waste material from homes and industry
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| siltation | fine sand, or the like, carried by moving or running water and deposited as a sediment in our lakes and streams
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| Agriculture Pollution | Waste from all types of farming activities, including run-off from pesticides and fertilizer us, and from feedlots; erosion and dust from ploughing; and animal manure
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| Aquifer | A body of permeable rock or sediment saturated with groundwater
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| Food Waste | Food that is fit for eating but intentionally thrown away at grocery stores or in our homes
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| Greenhouse Effect | The process that occurs when gases in Earth's atmoshrere trap the sun's heat
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| microplastics | Very small fragments of any type of plastic less than 5 Millimeters in length
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| non-point source pollution | Pollution that occurs when runoff from rain and snowfall carries pollutants into rivers, streams, lakes, wetlands, and groundwater
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| Point Source Pollution | Any single identifiable source of pollution from which pollutants are discharged, such as a pipe, ditch, ship, or factory smokestack
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| Waste Water | Water that has been used once, or for a short period of time, before being thrown away
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| Single Use Plastics | Plastic that is used once, or for a short period of time, before being thrown away
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