Diatoms are algae whose silicon dioxide-containing shells are useful economically as

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Diatoms are commonly used in filters due to their porous and intricate silica shells, which allow them to filter out impurities and contaminants from water or air. They are used in a variety of industries, including water treatment, food and beverage production, and pharmaceuticals. While diatoms may have some uses as fertilizers, stabilizers, or thickeners, their primary economic importance lies in their use as filters.

Diatoms Are Algae Whose Silicon Dioxide-Containing Shells Are Useful Economically