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2018-10-15	ali rouhani	70	Check this topic
2016-12-10	mohsenmt40	73	Check this topic
2016-12-13	mabel_	70	Check this topic
2016-12-01	SheLaya	80	Check this topic
2018-08-02	rk21	80	Check this topic
2017-02-10	dhani	73	Check this topic
2016-08-09	mariem	60	Check this topic
2019-08-12	rohitbibra	80	Check this topic
2016-12-13	koku	75	Check this topic
2017-09-23	Ashky	73	Check this topic
2018-08-30	fememe	83	Check this topic
2018-08-07	ZKhodabakhshi95	73	Check this topic
2018-10-05	Marword	83	Check this topic
2016-12-03	Abner	80	Check this topic
2018-08-07	kamyarbehrouzi	71	Check this topic

Topic title: Populations of the yellow cedar, a species of tree that is common in northwestern North America, have been steadily declining for more than a century now, since about 1880. Scientists have advanced several hypotheses to explain this decline.One hypothesis

Topic category: Integrated TOEFL Writing