I know that it has to do with breathing and your lungs
The right answer is a. they contain many small, repeating subunits bonded together.
In chemistry and biology, a polymer is a molecule made up of a chain of similar molecules, called monomers; a polymer is a macromolecule resulting from the assembly of many identical units (monomers), a chemical compound with repetitive structural units.
DNA, glycogen and proteins are polymers
The Miami blue butterfly and the Florida scrub jay are both endemic to the State of Florida. The Miami blue butterfly is a critically endangered species while the Florida scrub jay is a threatened specie. Both of their numbers are <span>dwindling and efforts are being made to protect their continue existence.
Hope this helps!</span>
