When a candle burns, which forms of energy does the chemical energy in the candle change to? a) light and sound b) heat and sound c)light and heat d) electric and light

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

Which of the following words identify a question as absolute

How are students who take the writing portion of accuplacer graded?