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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A
The use of microbeads in consumer products is the primary reason for the significant threat that microplastics pose to aquatic organisms.
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B
Because microplastics have entered the food chain at the lowest trophic levels, they are now proliferating in marine ecosystems.
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C
Microplastics, which result from the breakdown of larger plastics and the use of microbeads, endanger marine life by contaminating the food chain.
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D
Aquatic organisms are threatened by microplastics, which are mainly created when larger plastic debris fragments in the ocean.