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According to a study published in the science journal Nature, the world's oceans are becoming noisier thanks to pollution, with potentially harmful effects for whales, dolphins and other marine life. Scientists said the low-frequency sound in the ocean is produced by natural phenomena such as rain, waves and marine life, and by human activities such as sonar systems, shipping and construction. The report said the sound is absorbed mainly through the viscosity of the water and the presence of certain dissolved chemicals.Article continues: http://www.breitbart.com /article.php?id=CNG.5315a8879e53e0d27d665433910c4641.1211&show_article=1
