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: More dense water takes up less space than less dense water.
 Question: Jan poured a liquid solution into a bottle and the solution was very dense, so in the bottle it took up 
 Choices: A)more room 
B)less room
[A]: less room


[Q]: Paragraph: Rougher surfaces have more friction between them than smoother surfaces.
 Question: Eric rubs together tissue paper and then sandpaper. The rougher tissue paper has _____ friction than the sandpaper. 
 Choices: A)less 
B)more
[A]: more


[Q]: Paragraph: The more rope segments on a pully that are helping to do the lifting work, the less force that is needed for the job.
 Question: Will has a pully with 5 rope segments. Alan's pully has an equal size rope with 7 segments. Which person needs more force to do the same job? 
 Choices: A)Will 
B)Alan
[A]:
Will