Oyou consider yourself to be good or bad at taking tests? why? do you listen more to your explorer or judge voice? why? how do you study for your tests?

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b

He did chinese culture change during the warring states period

Give 2 examples of the sedimentation in the deep ocean?