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: Its harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor.
 Question: Fred was moving a desk across the room. He then pushed a chair and it was much easier. This is because the lighter chair had _____ friction with the floor. 
 Choices: A)less 
B)more
[A]: less


[Q]: Paragraph: Gluons make quarks attract each other more strongly the farther apart the quarks get.
 Question: When there are high levels of gluons in quarks it becomes 
 Choices: A)weaker 
B)stronger
[A]: stronger


[Q]: Paragraph: Exhaling, or breathing out, decreases the size of the chest, which increases air pressure inside the lungs.
 Question: A doctor was doing some lung tests on a patient and testing the air pressure inside the patient's lungs. She found that when the patient's chest got larger while inhaling air that the pressure in the patient's lungs got 
 Choices: A)higher 
B)lower
[A]:
lower