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Irina18 [472]
3 years ago
13

Diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die?

Check all that apply The shells make up the diatomaceous earth used in filters It can be used as an ingredient in abrasives They are used in food products The shells can be used in some insulating materials
Biology
1 answer:
djverab [1.8K]3 years ago
6 0
<span>The shells make up the diatomaceous earth used in filters. This being a very common use for diatoms. It can be used as an ingredient in abrasives. When powdered the silica in diatom shells is rough on a microscopic level. Being very useful for polishing things that are easily damaged. It can sometimes be found in toothpaste.</span>
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