Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance. Having read the above passage, choose the right answer to the following question (choices are it would decrease or it would increase ): Milo was playing around with water by changing the pH level. If he lowered the pH what would happen to the acidity of the solution it would decrease or it would increase?
it would increase

(Question)
Objects that are closer together have a stronger force of gravity between them. Having read the above passage, choose the right answer to the following question (choices are increase or decrease? ): As two asteroids drift further apart, does the gravitational force they exert on each other increase or decrease??
(Answer)
decrease?

Ques: The stronger the winds are blowing, the larger the waves are and the more energy they have. Having read the above passage, choose the right answer to the following question (choices are windy or no wind ): Evan surfs the waves on a day when it is windy, and then he goes back the next day when there is no wind. Which waves likely had less energy windy or no wind?
Ans: no wind

(Q).
As the amount of water increases, the melting point of rock decreases. Having read the above passage, choose the right answer to the following question (choices are increased or decreased ): Ian is trying to melt rocks, nothing that the water around the rocks is quite low. Since there is not a lot of water around the rocks, the melting point of the rock will be increased or decreased?
(A).
increased

Ques:A: As the car approaches the radar gun, the reflected microwaves get bunched up in front of the car. Therefore, the waves the receiver detects have a higher frequency than they would if they were being reflected from a stationary object. The faster the car is moving, the greater the increase in the frequency of the waves. Having read the above passage, choose the right answer to the following question (choices are higher or lower ): Officer Ricky points a radar gun at a car. A speeding car likely has higher or lower frequency waves bouncing off of it?

Ans:higher

Ques: On a hot day, an endotherm may give off more heat by increasing blood flow to the surface of the body. Having read the above passage, choose the right answer to the following question (choices are more or less ): After Sarah finishes her run, she notices that her blood is really pumping. Sarah can know that since it's a hot day, she's giving off what kind of heat compared to usual more or less?
Ans:
more