Avehicle equipped with coil spring front suspension and a lea spring rear suspension "dog tracks" while driving on a straight, level road. technician a says that a broken center bolt could be the cause. technician b says defective upper control arm bushings on the front could be the cause. which technician is correct?

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.