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The average shark will leave behind 30,000 teeth during their lifecycle. That is about 1000 times more than a human. In the United States a person may spend $45000 over their lifetime maintaining the teeth that a shark sheds in two weeks. United States citizens spend $324 million to fluoridate water to convert their hydroxyapatite teeth to fluoroapatite. Sharks endogenously create fuoroapatite crystals using bioavailable minerals in ocean water and never go through the conversion process. Overtime after converting the bounties of the ocean into organic matter, they settle into sediment and become the oil that powers our plastic. Truly every toy owes a thank you to sharks.
