A good source of material to make biodiesel is _____

A) rotten vegetables
B) old frying oil
C) used engine oil
D) dead animals


B

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The economic analysis of imperfect competition was originated by

A) Edward Chamberlain. B) Joan Robinson. C) Both A and B D) none of the above

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A customer states that the back-up camera does not come on. Technician A says this can be caused by a faulting range selection sensor. Technician B says this can be caused by an open in the back-up lamp circuit. Who is correct?

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

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The removal of all remaining combustion gasses from a boiler after firing is accomplished by ___________.