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2018-09-01	mahsa92	88	Check this topic
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2019-07-06	parinaz.rnj	88	Check this topic
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Topic title: In recent years, many frog species around the world have declined in numbers or even gone extinct due to changes in their environment. These population declines and extinctions have serious consequences for the ecosystems in which frogs live; for example,

Topic category: Integrated TOEFL Writing