Why might the xiphoid process be missing from the sternum in a set of human remains? a. The remains are from an adult younger than 40 years of age, and the hyaline cartilage does not preserve as well as bone. b. Because the xiphoid process shrinks with age Because the xiphoid process is small and does not articulate with any other bones c. Because the xiphoid process may be broken off if the individual had been given CPR