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: During inhalation, because the chest volume is larger, the air pressure inside the lungs is lower than the air pressure outside.
 Question: If Mona is breathing hard and her volume decreases, what happens to the air pressure inside her lungs? 
 Choices: A)increases 
B)decreases

A: increases
****
Q: Paragraph: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.
 Question: When we raise the temperature of water it becomes 
 Choices: A)less dense 
B)more dense

A: less dense
****
Q: Paragraph: At higher temperatures, particles of reactants have more energy, so they move faster. They are more likely to bump into one another and to collide with greater force.
 Question: A reactant particle that is in the arctic is likely _____ compared to one in the desert. 
 Choices: A)faster 
B)slower

A:
slower
****