The answer is: c, All of the above.
The answer would be the plot I believe, but you put it in the wrong subject.
No, only newborns should use ear tubes, because their ear holes are bigger than people from the ages between 50-65 because by the ages between 50-65 it would be too small for the tube to be able to go in.
Proteins are large biomolecules and macromolecules that are comprised of one or more long chains of amino acid residues.
