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PostSubject: icse eve Sun Mar 21, 2010 10:13 am

biomagnification or bio amplification is defined as the increase in the toxins like pesticides in each successive tropical level of food chain.and the ultimate suferer will be the final consumer...
major effects are:
-health problems like reproductive skill lose.
-loss their immunity.
-death and extinction of species.

chernobyl disaster occured on april 26 ,1986 at chernobyel nuclear plant in is regarded as the worst nuclear accident.

Exxon valdez oil spill was the largest oil spill to occur in the world.this oil spill took place on march 23 in alaska.because the tanker hit shallow land(bligh reef) it leaked 11 galllons of oil into the ocean .Exxon valdez effected many animals in alaska.the spill greatly effected sea otters and sea birds.there were 2800 sea otters and 250,000 sea birds killed by oil spill.

narmada bachao andolan was started in 1986 under the leadership of
medha aimed mainly to educate those directly effected by large development projects ,such as tribals,on social and environmental impact of such projects,to protest against the construction of dams in narmada valley in general,struggle towards a right to information and newly environmental water policy to help the tribals....
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Complete IIT AIEEE ICSE ISC PMT help forum :: ISC :: ISC 2010 [Class xii] :: Environmental Education-