Nitrogen is important to life because it is part of dna, amino acids, and proteins plant photosynthesis the air we breathe lightning storms

Identify the advantages and disadvantages or renewable and nonrenewable energy resources

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 statement best addresses the differences in sex cell differentiation between the red-eared slider turtle and a human?