Biologist Dr. Emily Wong argues that microplastics in the ocean are entering the human food chain at alarming rates.
5
readingWhich research finding would best support Wong's concern?
A
Plastic production has increased globally
B
Oceans contain significant pollution
C
Analysis found microplastics present in 90% of seafood samples and in the bloodstream of 80% of tested humans who regularly consume fish
D
Marine animals sometimes eat plastic
Correct Answer: C
Choice C is the best answer. Seafood presence + human blood presence proves food chain transmission.
💡 Strategy: Food chain claims need evidence at multiple levels including humans.