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: Larger alkenes have lower boiling and melting points.
 Question: While in the lab, Sharon and Joe were testing alkenes; Sharon's alkenes were much smaller than Joe's. The melting point of Sharon's alkenes will be _____ than Joe's. 
 Choices: A)lower 
B)higher
[A]: higher


[Q]: Paragraph: The closer together the particles in a longitudinal wave are, the greater the amplitude.
 Question: If Mona creates a longitudinal wave and decreases the distance of the particles in the wave, what happens to the amplitude of that wave? 
 Choices: A)increases 
B)decreases
[A]: decreases


[Q]: Paragraph: Higher frequency waves have greater energy.
 Question: A wave with a high frequency has _____ energy than a wave with a low frequency. 
 Choices: A)more 
B)less
[A]:
more