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: Natural selection is the process by which living things with beneficial traits produce more offspring, so their traits become more common over time.
 Question: Milo breeds cats for a living. If he wants his cats to share a specific trait, what should he do to the amount of offspring each cat produces? 
 Choices: A)decrease 
B)increase
[EX A]: increase

[EX Q]: Paragraph: Plug-in hybrids run for a longer time on electricity and so are less polluting than regular hybrids.
 Question: Kevin has a hybrid car and Steve has a large truck. Which car likely pollutes less? 
 Choices: A)hybrid 
B)truck
[EX A]: hybrid

[EX Q]: Paragraph: The closer to the surface an aquifer is, the easier it is to get the water.
 Question: An aquifer deep down will provide _____ access to its water than one near the surface. 
 Choices: A)easier 
B)harder
[EX A]:
harder