In the diagram shown below, P and Q represent two processes P Liquid Gas Q V Solid What processes do P and Q represent? O Both represent heating O Both represent cooling OP represents heating and Q represents cooling O P represents cooling and Q represents heating

Free points + free ! if answered correctly which of these is not a good tip for passing? a. make sure you are on an area of road where it is legal and safe to pass. b. always drive at a safe speed at or below the speed limit. c. you may reduce your following distance below four seconds when passing. d. make sure there is a safe gap in traffic before you change lanes.

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

Coal combustion produces which of the following waste products? i. tar ii. methane iii. electricity i only ii only i and ii ii and iii i, ii, and iii