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2017-01-05	masudhassan17	83	Check this topic
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2014-09-15	VertFeuille	75	Check this topic
2017-04-06	dhani	81	Check this topic
2017-12-23	lhmbehnam	80	Check this topic
2018-10-24	ali rouhani	60	Check this topic

Topic title: A fossil skeleton of a dinosaur called Sinosauropteryx, preserved in volcanic ash, was discovered in Liaoning, China, in 1996. Interestingly, the fossil included a pattern of fine lines surrounding the skeletal bones. Some paleontologists interpret the li

Topic category: Integrated TOEFL Writing