(Q).
Read the passage below and choose the right answer to the following question (choices are increased or decreased ):  The more cylinders a car engine has, the more powerful its engine can be.   Mona is designing a car in a factory. If she decides to add more cylinders to the car's engine, what happens to the power that engine can output increased or decreased?
(A).
increased


(Q).
Read the passage below and choose the right answer to the following question (choices are more or less ):  The more rope segments on a pully that are helping to do the lifting work, the less force that is needed for the job.   Bob decreased the rope segments on his pully; this means he will need to use more or less force on it?
(A).
more


(Q).
Read the passage below and choose the right answer to the following question (choices are speed up or slow down ):  For a given medium, sound waves travel more slowly at lower temperatures.   When it is very warm what happens to the speed of items speed up or slow down?
(A).
speed up