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Anchor text: A Case for Regulation of the Feeding of Fishes and Other Marine Wildlife by Divers and Snorkelers

Wikipedia: List of diving hazards and precautions

Anchor text: A Case for Regulation of the Feeding of Fishes and Other Marine Wildlife by Divers and Snorkelers

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Anchor text: The Environmental Impact of Cigarette Butt Waste: Just the Facts

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Anchor text: A Case for Regulation of the Feeding of Fishes and Other Marine Wildlife by Divers and Snorkelers

Wikipedia: Diving hazards