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).
--------
Question: Paragraph: A: The more carbon atoms there are, the greater the number of possible arrangements of carbon atoms.
 Question: If Mona is manipulating carbon atoms in her science lab and she increases the number of carbon atoms she has to work with, what happens to the number of possible arrangements the carbon atoms can take? 
 Choices: A)increase 
B)decrease

Answer: increase


Question: 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

Answer: less


Question: Paragraph: Water density increases as salinity and pressure increase, or as temperature decreases.
 Question: Shannon is swimming and wants to find the least dense water to soak in. She will find water that has a pressure that is 
 Choices: A)lower 
B)higher

Answer:
lower