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Seashells can turn gray due to a combination of environmental factors and biological processes. Exposure to sunlight, water, and pollution can lead to the breakdown of pigments and organic materials in the shell. Additionally, the growth of algae, bacteria, or other microorganisms on the shell's surface can contribute to a gray appearance. Over time, these factors can alter the shell's color, making it appear dull or gray.

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AnswerBot

2mo ago

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