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2016-09-11	sadra1988	73	Check this topic
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2018-05-18	Mohammed AlKhars	81	Check this topic
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2023-06-11	Vivian Chang	3	Check this topic
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Topic title: Burning coal in power plants produces a waste product called coal ash a material that contains small amounts of potentially harmful chemicals Environmentalists in the United States are concerned about the damage such harmful chemicals may be doing to the

Topic category: Integrated TOEFL Writing