What is the significance of chitin arthropods? a. chitin is a storage carbohydrate that form their exoskeleton. b. chitin is a structural carbohydrate that forms their exoskeleton. c. chitin is a protein that forms their exoskeleton

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.

Pulmonary arteries carry highly oxygenated blood. true or false?

The largest unit within which gene flow can readily occur is a