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What is mercury as described in the context of ocean pollution? A. A plant that grows in the ocean.
B. A type of beneficial vitamin found in fish.
C. A toxic heavy metal that collects in animal tissues.
D. A harmless mineral in ocean water.
The correct answer is C. A toxic heavy metal that collects in animal tissues.
Mercury is a harmful pollutant that enters ocean waters from various sources, including industrial waste and atmospheric deposition. It accumulates in the tissues of marine animals, particularly larger fish, through a process called biomagnification, making it a significant health risk for both wildlife and humans who consume contaminated seafood.