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: 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 more dense of the fluids because it has 
 Choices: A)more mass 
B)less mass
[A]: more mass


[Q]: Paragraph: At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.
 Question: Mike is watching how particles of reactants function, and sees that they are very far apart. Considering that the concentration of them is very low, the chance of them colliding together is 
 Choices: A)high 
B)low
[A]: low


[Q]: Paragraph: The more an elastic object is stretched or compressed, the greater its elastic potential energy is.
 Question: Dan is snapping a rubber band at Sarah. He stretches the band as little as he can before he snaps it this time, which will mean its potential energy is 
 Choices: A)large 
B)small
[A]:
small