Users practicing this topic

Post date	Users	Rates	Content
2017-12-20	hunghanchen	78	Check this topic
2018-10-10	robintzeng	85	Check this topic
2020-09-07	Sparky	80	Check this topic
2018-09-12	mojtabaakbari1992	85	Check this topic
2018-11-03	sadman27	90	Check this topic
2018-10-06	biol	85	Check this topic
2018-09-14	Baidaakamil1	67	Check this topic
2017-11-15	archimo	85	Check this topic
2018-08-27	Fetemeh	3	Check this topic
2023-03-30	tststs	3	Check this topic
2017-11-07	sajastu4	100	Check this topic
2020-07-10	Mehrnooshrm	76	Check this topic
2018-04-07	fahim135	80	Check this topic
2023-06-09	Zmx_6	80	Check this topic
2018-08-15	mahm	78	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 the

Topic category: Integrated TOEFL Writing