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2016-11-26	SheLaya	83	Check this topic
2018-12-13	Mohammed AlKhars	73	Check this topic
2018-12-13	Mohammed AlKhars	73	Check this topic
2018-12-01	toeflbeginner	80	Check this topic
2019-10-03	Ehsan Sabzizadeh	70	Check this topic
2018-12-13	Mohammed AlKhars	75	Check this topic
2018-11-27	Joe Cedillo	80	Check this topic
2019-07-04	Frequency	60	Check this topic
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2019-01-02	Ehsan Razmara	80	Check this topic
2017-10-14	wsxedc	71	Check this topic
2019-01-09	Yiwen Ma	60	Check this topic
2018-11-22	anoynimus	83	Check this topic
2019-08-18	Monster_Miu	86	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