How can flexibility training reduce the risk of back pain?
a. it can improve coordination and prevents falls.
b. it can improve the poor posture responsible for back pain.
c. it can improve body composition, reducing load on the back
d. it can increase endorphin levels that reduce pain. select the best answer from the choices provided.

The correct answer is B.

                                                        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.