The material in which a wave travels is called
a. a mediumc. airb. waterd. opaque

Which element provides strength to the exoskeleton of clams and oysters

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.

Where can dna be found in a prokaryotic cell