Select the correct answer from the drop-down menu. Sam wants to grow in his current role, and he decides to take a three-month skill enhancement course. Sam is demonstrating .

Two technicians are discussing oil changes. technician a says that waste oil and old filters need to be disposed of according to the law. technician b says that old filters can be returned to the parts department for a core value. which technician is correct?           a. technician a only   b. both technicians a and b   c. technician b only   d. neither technician a nor b