You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

[Q]: Paragraph: Water density increases as salinity and pressure increase, or as temperature decreases.
 Question: By removing a pound of salt from a bucket of fresh water, could you cause the density of the water to 
 Choices: A)increase 
B)decrease?
[A]: decrease?


[Q]: Paragraph: Because richer nations use more fossil fuels, they also cause more air pollution and global warming than poorer nations do.
 Question: Mona lives in a nation that uses a lot of fossil fuels. What would happen to her countries levels of air pollution if they were to decrease their usage? 
 Choices: A)increase 
B)decrease
[A]: decrease


[Q]: Paragraph: The thinner the wire, the more resistance it offers.
 Question: 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 _____ resistance than his older, thinner ones. 
 Choices: A)more 
B)less
[A]:
less