In the 60s, water pollution and ocean continent with rhythm dodang increasing concern. Water pollution rate reflects the true economic growth of the country. Society develops, more and more risk. I could name a few typical examples. From the world's largest ocean, which contains most of the water on Earth, water is always circulated regularly and if contamination occurs in nature is very small, but this is also experiencing the box heavily infected, as the ocean but pollution levels are different. Many seas around the world are seriously polluted, threatening the lives of marine animals that are mostly associated tudat pollution and sea transport causes.
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