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| back 1 It's the oldest and deepest lake in the world. Holds 1.5 of the world's unfrozen freshwater. Its oligotrophic lake |
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| back 2 Large amount of nutrients shallow lots of alga growth low oxygen |
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| back 3 water with less nutrients more depth more clarity |
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| back 4 Water with minimal amounts of solutes and dissolved salts. |
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| back 5 an area of land that flows into a specific river, basin, or sea |
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| back 6 when oxygen in the water is so low it cannot support marine life |
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| back 7 Hypoxia- oxygen in the water is slow it cannot support marine life. |
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| back 8 the process of excessive nutrients in the water which cause a dense growth of plant life, suffocating the life below |
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| back 9 . Nitrates are common components of fertilizers and explosives |
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| back 10 phosphate is an inorganic compound composed of a phosphorus atom bonded to four oxygen atoms. |
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| back 11 the process where rocks are broken down by natural forces such as wind or water. |
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| back 12 a vegetated “buffer-strip” near a stream, which helps to shade and partially protect the stream from the impact of adjacent urban, industrial or agricultural land use. |
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| back 13 is an underground layer of water-bearing, permeable rock, rock fractures, or unconsolidated materials |
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| back 14 Depletion of water means scarcity of water which means that there is a lack of water. |
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| back 15 s the addition of undesirable substances to groundwater caused by human activities ( |