TOEFL Practice Test

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TOEFL Sentence Simplification Questions Questions and Answers

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Which of the following sentences best expresses the essential information in the sentence below? The unprecedented proliferation of microplastics in marine ecosystems, a direct consequence of the fragmentation of larger plastic debris and the widespread use of microbeads in consumer products, poses a significant threat to aquatic organisms by entering the food chain at the lowest trophic levels.
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