THe father is Rr and mother Rr. What color are the children

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 is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination

18. which statement about cancer is true?