Read the excerpt:
'Microplastics have infiltrated marine food webs from phytoplankton to apex predators. While initial studies focused on physical obstruction in digestive tracts, recent toxicological research indicates chemical leaching of endocrine disruptors poses an equal chronic threat.'
The primary purpose of the text is to...
Answer and explanation
Correct answer: B. Explain the expanding physiological risks of marine microplastic pollution
- Step 1: The author introduces microplastics in marine webs and contrasts physical obstruction with new findings on chemical endocrine toxicity. Step 2. The central aim is explaining these combined, growing physiological dangers. Answer: Explain the expanding physiological risks of marine microplastic pollution. Why not the others: The text does not focus on policy bans or recycling technology.
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