Hey everybody how u doing is ur do going great

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

Can you send me the answer for q11,12,13,14,am sorry it’s science

Hink about similarities and differences between the weather and climate of places around the world. which set of words are more closely related to climate? a) windy, sleet, tornado b) tropical, polar, moderate c) clouds, precipitation, snow d) thunderstorm, rain, hurricane