Users practicing this topic

Post date	Users	Rates	Content
2019-05-31	toefl 2019	86	Check this topic
2019-06-08	Parisa.rnj	80	Check this topic
2019-03-06	jeyjey	75	Check this topic
2019-06-22	rena1071	60	Check this topic
2019-09-11	mugdha01	80	Check this topic
2019-05-30	toefl 2019	75	Check this topic
2019-07-04	Frequency	60	Check this topic
2018-12-18	joyce05	78	Check this topic
2018-12-13	Mohammed AlKhars	73	Check this topic
2018-12-01	toeflbeginner	80	Check this topic
2019-09-26	r.mahdavi70@gm…	73	Check this topic
2018-11-27	Joe Cedillo	80	Check this topic
2019-10-24	p0uya	65	Check this topic
2019-05-30	toefl 2019	68	Check this topic
2019-10-06	azaza	76	Check this topic

Topic title: At the end of the Triassic period 200 million years ago, there was a mass-extinction event that caused the extinction of more than half of all living species. It was this extinction event that allowed dinosaurs to become the dominant species for the next

Topic category: Integrated TOEFL Writing