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: Lead has a _____ melting point than steel because it has more branching. 
 Choices: A)lower 
B)higher
[EX A]: lower

[EX Q]: Paragraph: Older rocks are at the bottom and younger rocks are at the top.
 Question: When we dig up rocks the deeper we get the rocks get 
 Choices: A)older 
B)younger
[EX A]: older

[EX Q]: Paragraph: To reduce friction, oil is added to the engine.
 Question: If Milo's engine is running hot, how will draining the oil affect friction? 
 Choices: A)increase 
B)reduce
[EX A]:
increase