Technician A says that the system should be vacuumed out so that all the old oil is removed. Technician B says that system evacuation (vacuuming) is done to remove moisture from the system. Which technician is correct?

A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A nor B

How are calculation for velocity and speed different

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.