What describes a consumer? a. a person who pays for a service, such as a haircut. b. a person who buys magazines. c. a person who purchases and downloads music from the internet. d. all of these answers are correct.

blood alcohol concentration is affected by factors such as body size and gender.

( i saw this one before)

                                                        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.

what are the choices?