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: For a given medium, sound has a slower speed at lower temperatures.
 Question: If Jim turns the thermostat down in his room while listening to music, what will happen to the speed of the sound waves in the room? 
 Choices: A)they will speed up 
B)they will slow down
[A]: they will slow down


[Q]: Paragraph: Larger alkenes have lower boiling and melting points.
 Question: You are conducting an experiment on alkenes and discover that your larger alkenes have _____ boiling and melting points than the smaller ones. 
 Choices: A)lower 
B)higher
[A]: lower


[Q]: Paragraph: The higher the crests of a wave are, the greater the amplitude.
 Question: Ian surfed a 6 foot wave. Tony surfed a 10 foot wave. The wave with the lowest amplitude was 
 Choices: A)Tony's 
B)Ian's
[A]:
Ian's