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: Water density increases as salinity and pressure increase, or as temperature decreases.
 Question: By removing a pound of salt from a bucket of fresh water, could you cause the density of the water to 
 Choices: A)increase 
B)decrease?

A: decrease?
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Q: Paragraph: By using multiple stages, empty fuel containers could drop away. This reduced the mass of the rocket so that it could fly higher.
 Question: David is getting ready to fly into space on a rocket. As the rocket shoots upwards, part of the mass attaches, allowing the rocket to go 
 Choices: A)higher 
B)lower

A: lower
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Q: Paragraph: When particles move more quickly, temperature is higher and an object feels warmer.
 Question: Jan is cold, so she starts to jog in place. The faster Jan jogs, she will feel warmer 
 Choices: A)quicker 
B)slower

A:
quicker
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