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:: Water Pollution ::

 
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MessagePosté le: Sam 21 Mai - 01:23 (2016)    Sujet du message: Water Pollution Répondre en citant




Water Pollution > urlin.us/2bweq





Together,....sewage....and....fertilizers....can....cause....a....massive....increase....in....the....growth....of....algae....or....plankton....that....overwhelms....huge....areas....of....oceans,....lakes,....or....riversNashville,..TN..(2012)While....many....of....the....chemicals....and....substances....that....are....regulated....may....be....naturally....occurring....(calcium,....sodium,....iron,....manganese,....etc.)....the....concentration....is....often....the....key....in....determining....what....is....a....natural....component....of....water....and....what....is....a....contaminantEncyclopedia...of...Earth^...EPAA....garbage....collection....boom....in....an....urban-area....stream....in....Auckland,....New....ZealandDeer..Island..wastewater..Treatment..Plant..serving..Boston,..Massachusetts..and..vicinityPollution..matters..because..it..harms..the..environment..on..which..people..dependApart....from....the....industrial....causes....of....water....pollution,....as....we....saw....on....the....previous....page,....here....are....some....more:....Sewage....and....waste....water....Every....day,....we....cook,....do....laundry,....flush....the....toilet,....wash....our....cars,....shower....and....do....many....things....that....use....waterPhoto..by..Steve..HillebrandThe...book...is...mostly...a...simple...read...and...probably...suitable...for...7-10...(and...maybe...9-12)When..you..flush..the..toilet,..the..waste..has..to..go..somewhere..and,..even..after..it..leaves..the..sewage..treatment..works,..there..is..still..waste..to..dispose..of↑..."Wastewater...Treatment...Cleans...Up...Border...Waterways"...in...U.S.–Mexico...BorderYet...the...problem...of...sewage...disposal...does...not...end...thereEllicott...City,...MDThe..best..known..example..of..heavy..metal..pollution..in..the..oceans..took..place..in..1938..when..a..Japanese..factory..discharged..a..significant..amount..of..mercury..metal..into..Minamata..Bay,..contaminating..the..fish..stocks..thereFrom..these..and..other..similar..estimates,..it..seems..5–10..billion..tons..might..be..a..reasonable..ballpark..figureA...manhole...cover...unable...to...contain...a...sanitary...sewer...overflowwaters..under..the..Clean..Water..Act^..California..Stormwater..Quality..AssociationOther..microorganisms..sometimes..found..in..surface..waters..that..have..caused..human..health..problems..include:When....farmers....fertilize....the....fields,....the....chemicals....they....use....are....gradually....washed....by....rain....into....the....groundwater....or....surface....waters....nearbyIf....many....different....types....of....creatures....can....live....in....a....river,....the....quality....is....likely....to....be....very....good;....if....the....river....supports....no....fish....life....at....all,....the....quality....is....obviously....much....poorerMore..Posts....PROMOTIONS..Shop..National..Geographic..National..Parks..Collection..10-DVD..Expanded..Edition..$39.95..National..Geographic..Allanson..Globe..$99.00..National..Geographic..Stunning..Photographs..$40.00..National..Geographic..125..Years..$39.99..National..Geographic..Atlas..of..the..World,..10th..Edition..-..Hardcover..$169.95..Shop..now....PROMOTIONS..Change..the..Course:..Help..Save..the..Colorado..River..Facebook..Take..the..Pledge..National..Geographic..Home....Environment....Pollution..Industries...generating...large...volumes...of...wastewater...typically...operate...their...own...complete...on-site...treatment...systemsMore......Share...Email...More......Did...You...Know?...Every...day...2...million...tons...(1.8...billion...kilograms)...of...human...waste...are...disposed...of...in...waterways...around...the...worldBearport/TickTock,..2008Biology..of..Freshwater..Pollution..by..Christopher..MasonUniversity..of..Chicago..Press,..2010,..p.340Home....A-Z....index....Get....the....book....Follow....us....Random....article....Timeline....Teaching....guide....About....us....Privacy....policy....People....who....eat....poisoned....shellfish....risk....suffering....from....an....acute—and....sometimes....fatal—illness....called....paralytic....shellfish....poisoningOther...causes...of...water...pollutionIn....developed....countries,....older....cities....with....aging....infrastructure....may....have....leaky....sewage....collection....systems....(pipes,....pumps,....valves),....which....can....cause....sanitary....sewer....overflowsPierre..and..Miquelon..Sudan..Suriname..Svalbard..and..Jan..Mayen..Islands..Swaziland..Sweden..Switzerland..Syria..Taiwan..Tajikistan..Tanzania..Thailand..Togo..Tokelau..Tonga..Trinidad..and..Tobago..Tunisia..Turkey..Turkmenistan..Turks..&..Caicos..Islands..Tuvalu..Uganda..Ukraine..United..Arab..Emirates..United..Kingdom..Uruguay..USA..Minor..Outlying..Islands..Uzbekistan..Vanuatu..Vatican..City..State..(Holy..See)..Venezuela..Vietnam..Virgin..Islands..(British)..Virgin..Islands..(U.S.)..Wallis..and..Futuna..Islands..Western..Sahara..Yemen..Zaire..Zambia..Zimbabwe..see..all..WWF..gifts..Help..prevent..a..coral..catastrophe..Fight..the..destructive..harvesting..and..unregulated..trade..of..one..of..the..most..attractive..inhabitants..of..our..tropical..oceansThe...ink...would...still...be...there...in...the...river,...but...in...such...a...low...concentration...that...you...would...not...be...able...to...see...itSampling....of....water....for....physical....or....chemical....testing....can....be....done....by....several....methods,....depending....on....the....accuracy....needed....and....the....characteristics....of....the....contaminant 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MessagePosté le: Sam 21 Mai - 01:23 (2016)    Sujet du message: Publicité

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