Tech A says that on OBDII systems, the KAM stores DTCs forever. Tech B says that on OBDII systems, the KAM is erased when the battery is disconnected. Who is correct

Which of the choices sean are not true when considering virus behavior

Singing in the rain: this first part of the film shows the early history of motion picture. how accurate do you think the portrayal of the early motion picture industry is? why? is historical accuracy important in films and theater productions? explain.

Technician a says that with self-adjusting clutch systems, the release bearing constantly rotates. technician b says that the ball bearing portion of the release bearing should be lubricated with high-temperature grease during routine maintenance. which technician is correct?