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: If we have two materials with the same volume, the material with a higher mass will be more dense.
 Question: Jake pours syrup into one cup, then pours water into another, both in equal amounts. Jack can know that the syrup is the less dense of the fluids because it has 
 Choices: A)more mass 
B)less mass
[EX A]: less mass

[EX 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
[EX A]: more

[EX Q]: Paragraph: The stratosphere contains the ozone layer, the temperatures increase as altitude increases.
 Question: When in the stratosphere, Dean can tell that the temperature is getting cooler as the altitude he is at 
 Choices: A)increases 
B)decreases
[EX A]:
decreases