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The top documents tagged [yangtze pollution]
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yangtze pollution
Warm-Up November 5, 2012 In South Asia, air pollution is a very serious problem. What is the primary cause of the serious indoor air pollution problem.
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Describe the causes and effects of pollution on the Ganges and Yangtze River.
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Write questions. Watch CNN Student news to answer the questions 1.How many people are unaccounted for in the mudslide that hit 2 Washington State towns?
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