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keeping track of something for a specific purpose; certain chemicals are monitored in the evironment to ensure they do not exceed safe levels |
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animals without backbones |
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how poisonous a substance is |
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metals that have a density of 5 or higher(e.g.,copper,zinc,lead,mercury,cadmium,nickel);heavy metals are one type of substance monitored to determine water quality |
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gases in Earth's atmosphere that trap the heat that forms when radiant energy from the sun reaches Earth's surface;water vapour,carbon dioxide,methane,and nitrogen oxide are all greenhouse gases |
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top of the groundwater zone |
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tiny space between soil grains or mineral grains in a rock;a substance with many pores is porous;if these pores are connected,a substance is permeable |
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scattering of a substance away from it's source |
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description of a substance that contains connected pores;fluids can flow through a permeable substance |
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liquid that dissolves and carries substance as it passes through soil |
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mixing of a substance with air or water;this reduces the substance's connection |
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breakdown of materials by organisms such as earthworms,bacteria,and fungi; "bio-" refers to living things and "degrade" means to break up |
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refers to processes or environments that do not require or certain oxygen("an-"means without; "aero-" means "air") |
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clean up of the environment using plants; "phyto-" means plant and "remediation" means cleanup;plants have been used to clean up metals,hydrocarbons,and other chemicals |
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breakdown of compounds by sunlight;"photo" means light and "lysis" means break down |
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increase in concentration of a chemical or element as it moves up the food chain |
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sudden transfer of electrical charge from one object to another, indicated by a spark |
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Laws of electrical charge |
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The magnitude of the electrostatic force between two point electric charges is directly proportional to the product of the magnitudes of each of the charges and inversely proportional to the square of the distance between the two charges. |
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