Assertion: mercury | /r/CapableOf | pass up the food chain
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Source sentences:
text: That’s bad news, said Lamborg, because bacteria use sulfur in biochemical reactions that eventually convert the mercury into methylmercury, the highly toxic form that accumulates to deadly levels as it passes up the food chain.
text: It can pass through the food chain and build up in fish, shellfish, and animals that eat fish.