Outros meios de poluiçao
Autor: Karina, Laís, Queren e Vitoria | Publicado: 2011-08-11T09:49:00-03:00

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Alem da poluição das sacolas plásticas existem outros meios de poluição como, por exemplo, a poluição do ar gerada principalmente por carros, fábricas, produção de energia, evaporação de químicos voláteis, emissão de poeiras entre outros. Esses fatores podem causar problemas &nbsp;respiratórios e cardiovasculares. E também a chuva acida que corrói os monumentos históricos

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Outra poluição é a poluição térmica são aquecimento das águas naturais pela introdução da água quente utilizada na refrigeração de centrais elétricas, usinas nucleares, refinarias, siderúrgicas e indústrias diversas. Mesmo as pequenas variações das temperaturas normais da água podem afetar a vida aquática.
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Outra fonte também é a de poluição radioativa e a predominante é a natural, pois a poluição natural da Terra é muito grande, decorrente do decaimento radioativo do urânio, e outros elementos naturais. Devemos lembrar que a poluição radioativa provém principalmente de: indústrias, medicina, testes nucleares, carvão, radônio, fosfato, petróleo, minerações, energia nuclear, acidentes radiológicos e acidentes nucleares. 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; E por ultimo a poluição sonora é o efeito provocado pela difusão do som num tom demasiado alto, sendo o mesmo muito acima do tolerável pelos organismos vivos, no meio ambiente. Dependendo da sua intensidade, causa danos irreversíveis nos seres humanos.