Your job pays you $1600 per month. all taxes combined reduce your pay by 25%. your current expenses are $1200 per month. you want to join a health club for $75 per month. can you afford it?

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.