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: A sunscreen with a higher SPF value protects the skin longer.
 Question: John was analyzing some of the results from his sunscreen study. He found that a higher SPF protects the skin 
 Choices: A)Shorter 
B)Longer
[A]: Longer


[Q]: Paragraph: The more branching there is in isomers, the lower the boiling and melting points are.
 Question: If Jim is trying to raise the melting point of an isomer, what should he do to the number of branching points of the isomer? 
 Choices: A)decrease them 
B)increase them
[A]: decrease them


[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 much as he can before he snaps it this time, which will mean its potential energy is 
 Choices: A)large 
B)small
[A]:
large