How can histograms help you describe a population? Use the word bank above to help you explain your answer. Word Bank
variation distribution number of bars bar height

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.

is this a psat question, if so do not cheat try your best.

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.