Question

diatoms are also called as peals of ocean why? what is diatomaceous earth? ​

Answer 1

Answer:

Diatoms have cell walls with unique characterstics. This is why, it is called as 'pearls of ocean'. ... Diatomaceous earth : Because of the presence of silica, cell wall of diatoms are indestructible. They pile up at the bottom of water body and leads to formation of 'diatomaceous earth'.