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: More recently, the death rate has fallen because of the availability of more food and medical advances.
 Question: When people learned how to farm the population 
 Choices: A)decreased 
B)increased

A: increased
****
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

A: stronger
****
Q: Paragraph: The more branching there is in isomers, the lower the boiling and melting points are.
 Question: An isomer with less branching than another will have a _____ melting point. 
 Choices: A)higher 
B)lower

A:
higher
****