For example, more people on the Earth means more people contributing to global warming and pollution. Having read the above passage, choose the right answer to the following question (choices are they will rise or they will fall ): What will happen to the levels of pollution on Earth if the population decreases they will rise or they will fall?
they will fall

(Question)
The more tightly packed the particles inside the material are, the more dense we say they are. Having read the above passage, choose the right answer to the following question (choices are less or more ): Eric has a soccer ball and kicks it into a rock of roughly the same size. The rock doesn't move and the ball bounces away. The ball is less or more dense than the rock?
(Answer)
less

Ques: The more an elastic object is stretched or compressed, the greater its elastic potential energy is. Having read the above passage, choose the right answer to the following question (choices are more potential energy or less potential energy ): What will happen to the amount of elastic potential energy in Jim's rubber band if he expands it more potential energy or less potential energy?
Ans: less potential energy

(Q).
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 raised the pH what would happen to the acidity of the solution it would decrease or it would increase?
(A).
it would decrease

Ques:Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes. Having read the above passage, choose the right answer to the following question (choices are scarce or plentiful ): John's town used to have lots of water, back when there were only a few hundred people. However, now that the town holds several thousand people, the water availability is scarce or plentiful?

Ans:scarce

The greater the objects mass, the greater the force of attraction; in addition, the greater the distance between objects, the smaller the force of attraction. Having read the above passage, choose the right answer to the following question (choices are rock or pebble ): A rock has more mass than a pebble. Which object will exhibit a smaller force of attraction rock or pebble?
pebble