What would probably not mandate a national highway traffic safety commission recall?

a. a defective engine bolt.

b. a dashboard material that easily fades in the sunlight

c. a seatbelt latch that comes unlatched when brakes are applied

d. a fluid hose that is too loose and can cause a gas leak

B. A dashboard material that easily fades in the sunlight  

this seems less dangerous than the rest

                                                        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.