The cell contains 30% water, and 70% sodium ions. The remaining poker chips are outside the cell

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

Describe the two types of vascular tissue

Fredrick griffith made a scientific discovery in 1928