Users practicing this topic

Post date	Users	Rates	Content
2019-12-28	nusybah	71	Check this topic
2019-05-18	vahidvh	80	Check this topic
2018-07-24	knave0	60	Check this topic
2018-10-03	Joy1111	80	Check this topic
2019-12-11	sandeshbhandari2	80	Check this topic
2016-12-26	donya goodarz	73	Check this topic
2018-11-12	diegof1390	90	Check this topic
2019-06-08	hosseinvaliyan	100	Check this topic
2018-09-27	joyce05	65	Check this topic
2018-08-07	mike818	80	Check this topic
2019-08-22	Sepehram	85	Check this topic
2019-11-20	bishoy	3	Check this topic
2017-07-26	ying.ma	70	Check this topic
2019-11-20	NormaR	73	Check this topic
2018-10-06	ali rouhani	80	Check this topic

Topic title: tpo 13Private collectors have been selling and buying fossils, the petrified remains of ancient organisms, ever since the eighteenth century. In recent years, however, the sale of fossils, particularly of dinosaurs and other large vertebrates, has grown i

Topic category: Integrated TOEFL Writing