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4. Certain species of fish are unsafe to consume in high quantities because these fish O A. have high levels of metals in them from cancer-causing pesticides. O B. contain vitamins that aren't water-soluble
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4. Certain species of fish are unsafe to consume in high quantities because these fish

O A. have high levels of metals in them from cancer-causing pesticides.
O B. contain vitamins that aren't water-soluble and can cause toxicity.
O C. ingest other fish that are poisonous to humans.

User Jon Erickson
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Choice A. Fish can accumulate various heavy metals in them through a process known as bioaccumulation. This applies mostly to large predatory fish like tuna, because they eat large quantities of other fish.
User Alexander Higgins
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