The nullification crisis of 1832-1833 erupted a) banking policy b) internal improvements c) tariff policy' d) public land sales e) indian policy

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