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2019-10-10	mahan vahab kashi	80	Check this topic
2019-11-24	aliola_214	80	Check this topic
2020-01-09	lynn19971020	80	Check this topic
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2019-12-19	bishal sitaula	73	Check this topic
2018-10-29	divyajose7@yahoo.com	80	Check this topic
2020-01-08	3dra	80	Check this topic
2019-01-26	zhouquan	83	Check this topic
2019-06-27	parinaz.rnj	80	Check this topic
2019-09-26	Seema Modak	85	Check this topic

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 th

Topic category: Integrated TOEFL Writing