11. Consider the information given below concerning several diseases. Identify the mode(s) of transmission from Model 2 that is most appropriate based on the description.

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

that is wrong, its not thymus.