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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

Which of the following shows the results that you would get if you tested beef using the four tests in the gizmo

Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?