Which three of the following choices are examples of commons ? O A. Clean air
B. Personal computers
C. The night sky
DD. A neighbor's swimming pool
E. State parks

Why does the skin of your finger shrink when you wash clothes for a long time?

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 function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.