What is "diatomaceous earth"?

1.	What is "diatomaceous earth"?
Answer» The cell wall is made of silica. Due to the siliceous nature of the cell wall, it is known as diatomaceous earth. This diatomaceous earth is a whitish, soft, chemically inert, highly absorbant and fire proof substance. It is used in filtration of oils, sugars, and for other industrial purposes.

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