1. What are some things you can do with a pure sample of DNA?

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

Name the types of burns one can get and which structures of the integument are damaged

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million