Eroded soil can enter causing them to fill up with sediment.

Check all that apply 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? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

What element is able to combine with itself and hydrogen to form large molecules ?

What terms describes being out of water after being submerged