A given volume of a denser substance is heavier than the same volume of a less dense substance.  Having read the above passage, choose the right answer to the following question (choices are lighter or heavier ):   Compared to a box of bricks a box of feathers would be lighter or heavier?
lighter

(Question)
More water allows more chemical reactions.  Having read the above passage, choose the right answer to the following question (choices are decreases or increases ):   Rita added more water to her beaker. The amount of possible chemical reactions decreases or increases?
(Answer)
increases

Ques: 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 increase or decrease ):   If Milo is listening to the radio in his room and the room gets hotter, what happens to the speed of the sound waves generated by the radio increase or decrease?
Ans: increase

(Q).
Nations that have more industry produce more hazardous waste.  Having read the above passage, choose the right answer to the following question (choices are South Korea or the United States ):   The United states has more industry than South Korea. Therefore, there is more hazardous waste in South Korea or the United States?
(A).
the United States

Ques:Low food supply or a lack of space can lower birth rates, increase death rates, or lead to emigration.  Having read the above passage, choose the right answer to the following question (choices are live there or die ):   If there is more food in a place then more people will live there or die?

Ans:live there

Ques:However, the melanocytes of people with darker skin produce more melanin.  Having read the above passage, choose the right answer to the following question (choices are darker or lighter ):   Since Kim has more melanin than Jennifer, when they lay out in the sun Jennifer's skin is darker or lighter than Kim's?

Ans:
lighter