UsetheTnternettofindinformationaboutthreeforeigncitiesthatarepolluted.foreachcity,makealistofatleastfivecausesofpollutioninthatcity.我要的是单子
UsetheTnternettofindinformationaboutthreeforeigncitiesthatarepolluted.foreachcity,makealistofatleastfivecausesofpollutioninthatcity.
我要的是单子
初中作业.
Somecitiesintheworldwerepollutedbadly,themostfamousonesareMilan(Italy),Pittsburgh(USA)andMexicoCity(Mexico).ForMilan,becausetherearetoomanycars,sotheairweredirtyandthesuspendedparticlesmakessmokeinthewholecity.Pittsburghisoneofthetwoworst-pollutedcitiesinAmerica,thecauseofitspollutionisheavymetals,thesmoke,andpollutedaircomefromLosAngeles.Andbecauseofitsgeographicalenvironment,theairinMexicoCitywereblocked,andthereareoveramillioncarsinthatcity,sotheairisverydirty.