Users practicing this topic

Post date	Users	Rates	Content
2019-04-03	110110110	76	Check this topic
2019-10-25	p0uya	80	Check this topic
2020-01-09	lynn19971020	80	Check this topic
2019-06-20	suzana	70	Check this topic
2020-01-29	bL3sse	83	Check this topic
2019-11-24	aliola_214	80	Check this topic
2019-03-19	moath322	80	Check this topic
2019-06-27	parinaz.rnj	80	Check this topic
2019-09-12	numan947	80	Check this topic
2019-01-26	zhouquan	83	Check this topic
2019-12-19	bishal sitaula	73	Check this topic
2019-09-30	farshad_hom	80	Check this topic
2019-06-27	parinaz.rnj	80	Check this topic
2018-10-29	divyajose7@yahoo.com	80	Check this topic
2019-03-20	toefl 2019	76	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