A stronger acid produces a greater concentration of ions than a weaker acid.  If Jim decreases the strength of an acid he is playing with, the concentration of ions in that acid falls or rises?
falls


(Question)
Thicker resistors offer less resistance than thinner resistors.  The thinner a resistor equals less or more resistance?
(Answer)
more


Ques: When there are more sunspots the Sun is more active and there are more solar storms and more of the Sun's energy reaches the Earth.  Mary loves to observe the Sun. If she's looking at the Sun one day and notices less sunspots then she usually sees, what is happening to the amount of solar energy reaching the Earth increasing or decreasing?
Ans: decreasing


(Q).
Water becomes more dense when it is colder and when it has more salt.  What happens to water when it absorbs less salt lower density or Higher Density?
(A).
lower density


Ques:This means that as wavelengths get shorter, more waves move past a particular spot in the same amount of time.  As the train approached the intersection and blew its horn, compressing the wavelengths of the sound, did the frequency of the horn increase or decrease??

Ans:increase


Ques:Aerobic exercise increases the size and strength of muscles in the heart and helps all your muscles develop greater endurance.  If one trains aerobic exercises, their heart muscles will become stronger or weaker?

Ans:
stronger