What are the states of the materials shown from number 1 to 10

Using freezing point depression to find molecular weight lab report

The procces of farming organism from the sea is ?

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