Dora experiences frequent headaches and was ordered by her doctor to take medicine for headache relief. what should she do so as not to abuse the medicine? take the medication as prescribed take an extra over-the-counter pill take double the dose of the prescribed medicine to make the headaches go away quickly take the medication to relieve her feelings of loneliness and depression

                                                        water

a colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

                                                        halon  

any of a number of unreactive gaseous compounds of carbon with bromine and other halogens, used in fire extinguishers, but now known to damage the ozone layer.

                                                  dry chemical

extinguishing agent used on class a, class b, and class c fires.

                                                  carbon dioxide

a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. it is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.