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).
One example is below.
Q: Paragraph: Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.
 Question: John's town used to have lots of water, back when there were only a few hundred people. However, now that the town holds several thousand people, the water availability is 
 Choices: A)scarce 
B)plentiful
A: scarce
Rationale: Based on the information given in the paragraph, population growth will make water more scarce, so that is the correct answer.
Q: Paragraph: Because these isotopes decay more slowly, they can be used to date much older specimens.
 Question: Fred has an isotope that decays slowly. What is likely true about it? 
 Choices: A)it can be used to date older specimens 
B)it can't be used to date old specimens
A:
it can be used to date older specimens