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).

[EX 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
[EX A]: decrease them

[EX Q]: Paragraph: It would be hard to get a big chunk of chocolate to dissolve in your milk or hot water. Maybe you could make hot chocolate from some smaller pieces like chocolate chips, but it is much easier to add a powder to your milk. This is because the smaller the pieces are, the more surface area they have.
 Question: Curt wants to make a drink from chocolate chips and milk. To make the chips melt faster, Shane will use chips that are 
 Choices: A)bigger 
B)smaller
[EX A]: smaller

[EX Q]: Paragraph: Fossils found at the lowest layer of rock would be the oldest, as these would have been buried for the longest time, whereas fossils found closer to the surface would be buried more recently and therefore be younger.
 Question: Peter found a cool rock right under the surface of some dirt. He knew the rock was _____. 
 Choices: A)older 
B)younger
[EX A]:
younger