What steps can someone take to prevent or treat
H1N1 influenza?

Cover your nose and mouth with a tissue when you cough or sneeze. Throw the tissue in the trash after you use it. Avoid touching your eyes, nose or mouth. Germs spread this way.

Explanation:

uh two lol

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.