Peggy, a 62-year-old woman, has been unable to work for the past year because of a back injury that she sustained at her job as a cafeteria worker. her adult son, brian, lives close enough for her to babysit his two young children on a regular basis. peggy’s daughter, linda, lives in another part of the state and recently had a new baby boy named luke. linda has asked her mother to move in with her to cares for her newborn. based upon the life span development model, for which of the following individuals is growth the most characteristic mode of adaptation? a. peggy. b. brian. c. linda. d. luke.