Which of the following describes the study of bullets and frearms? Ballistics Criminal justice Trajectory Rifling

The study of bullets and firearms is described by the term "Ballistics." <br /><br />Ballistics is the science that deals with the motion, behavior, and effects of projectiles, most often referring to bullets and firearms. It includes the study of the dynamics of projectiles, the design and functioning of firearms, and the analysis of bullet impacts.<br /><br />So, the correct answer is:<br />Ballistics