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).

[EX Q]: Paragraph: Inhaling, or breathing in, increases the size of the chest, which decreases air pressure inside the lungs.
 Question: Rich breathed in and out. When he breathes _____ his chest seems larger. 
 Choices: A)in 
B)out
[EX A]: in

[EX Q]: Paragraph: The more acidic a solution is, the closer its pH value will be to 0
 Question: Compared to a solution of acidic vinegar, would basic lye have a pH value 
 Choices: A)closer to 0 
B)farther away from 0?
[EX A]: farther away from 0?

[EX Q]: Paragraph: Water becomes more dense when it is colder and when it has more salt.
 Question: If Jim lowers the temperature of water in his bathtub, what happens to the density of the water? 
 Choices: A)decreases 
B)increases
[EX A]:
increases