A unique feature of diatom cells is that they are enclosed within a cell wall made of silica<span> (hydrated silicon dioxide) called a </span><span>frustule.</span>
Good Morning
Phosphorus cycles between living things and the Soil
I hope that's help ↑↑↑
↓↓↓↓↓↓↓↓
Happy Sunday :)
Answer:
because we killed them and follow the virus-safe rule..?
