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 forest habitat of elephants has also decreased in size due to humans moving in, so the numbers of the elephants have decreased.
 Question: When humans tear down trees what happens to the population of the animals in the tree? 
 Choices: A)Lower 
B)Increase
[EX A]: Lower

[EX Q]: Paragraph: Gluons make quarks attract each other more strongly the farther apart the quarks get.
 Question: When there are high levels of gluons in quarks it becomes 
 Choices: A)weaker 
B)stronger
[EX A]: stronger

[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