Users practicing this topic

Post date	Users	Rates	Content
2019-07-04	Frequency	60	Check this topic
2019-02-18	coredroid0401@…	71	Check this topic
2019-05-09	Malaak	80	Check this topic
2019-05-30	toefl 2019	73	Check this topic
2019-05-31	toefl 2019	86	Check this topic
2016-11-26	SheLaya	83	Check this topic
2019-01-09	Claire Ying	60	Check this topic
2019-01-03	Ilgar	95	Check this topic
2019-10-03	Ehsan Sabzizadeh	70	Check this topic
2019-05-30	toefl 2019	73	Check this topic
2019-09-28	S_Daftari	76	Check this topic
2018-09-06	mahsa92	80	Check this topic
2019-05-30	toefl 2019	60	Check this topic
2019-09-26	r.mahdavi70@gm…	73	Check this topic
2019-05-30	toefl 2019	75	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