How can an individual benefit from participating in the recommended amount of physical activity?
a. decreased risk of developing certain diseases
b. decreased ability to manage stress
c. increased ability to go without sleep
d. increased chances of developing hypertension

you should seek treatment when you are seriously thinking of sui.cide, and that can eventually lead to your own death.

                                                        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.