(Question)
For a given medium, sound waves travel more slowly at lower temperatures.  Having read the above passage, choose the right answer to the following question (choices are faster or slower ):   Eric moved to Alaska from Arizona. The lower temperatures overall mean that sound travels faster or slower?
(Answer)
slower


(Question)
With a higher the concentration of hydrogen ions, a solution is more acidic and has a lower pH.  Having read the above passage, choose the right answer to the following question (choices are higher or lower ):   James wants to create a solution that is less acidic than others, so his concentration of hydrogen ions will be higher or lower?
(Answer)
lower


(Question)
The thinner the wire, the more resistance it offers.  Having read the above passage, choose the right answer to the following question (choices are more or less ):   Barry is connecting new wires to his speakers. His new wires are thicker than the old ones, therefore, he should expect that the electrical current will display more or less resistance than his older, thinner ones?
(Answer)
less