Users practicing this topic

Post date	Users	Rates	Content
2019-03-20	toefl 2019	3	Check this topic
2018-10-06	biol	85	Check this topic
2019-09-10	r.mahdavi70@gm…	73	Check this topic
2018-11-04	saeed-iz	80	Check this topic
2018-01-16	gegegee	76	Check this topic
2020-10-28	pfftahsan	80	Check this topic
2018-07-26	Mennatallah	85	Check this topic
2023-04-01	tststs	3	Check this topic
2023-02-14	reza_fattahi	3	Check this topic
2022-09-07	HEX2	80	Check this topic
2017-01-03	gorhanca	73	Check this topic
2017-09-15	unknown_User	65	Check this topic
2017-10-07	zhrnrz1992	80	Check this topic
2023-03-30	tststs	3	Check this topic
2018-10-11	AmirTheGreat	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