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Watershed
Question | Answer |
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tributary | a stream that flows into a larger stream |
watershed | the land area that supplies water to a river syestem |
eutrophication | the process by which nutrients in a lake build up over time causing an increase in the growth of algae |
wetland | an area of land that is covered with a ahallow layer of water during some or all of the year |
water quality | the degree of purity of water determand by measuring the substances in water besides water molecules |
water pollution | the addition of any substances that has a negative effect on water or the living living things that depend on the water |
point source | a specfic source of polluition that can be identified such as a pipe |
nonpoint source | a widely spread source of polluition such as road runoff that is diffcult to link to a spific point of orgin |
pesticide | a chemical intended to kill insects and other organisms that damage crops |
estuary | a coastal inlet or bay where fresh water mixes with salty ocean water |
sediment | small solid particles of material from rocks or organisms which are moved by water or wind resulting in erosin and deposition |
conservation | the process of using a resource wisely so it will not be used up |
recycling | the process of reclaim reusing raw materials |