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

Describe details on how the area or image looks like.

To make your papers high quality, you - make sure you establish a clear purpose- use a variety of sentence structures and advanced vocabulary - organize the essay effectively to provide a coherent flow of thought/argument- stay on topic! make sure each sentence supports your thesis/argument/purpose - avoid incorrect grammar and mechanics that could detract from your credibility.- use liking words and sentences so your essay flows. as for the new strategies you have learned from the lesson, i think you can draw from he bullet points listed above. hope this !