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: Because these isotopes decay more slowly, they can be used to date much older specimens.
 Question: Ron is trying to figure out how old some isotopes are. The isotopes are decaying very slowly, so they are likely specimens that are 
 Choices: A)older 
B)younger
[A]: older


[Q]: Paragraph: The higher the pH value is, the stronger the base.
 Question: If Jim increases the pH value of his swimming pool, the base becomes 
 Choices: A)stronger 
B)weaker
[A]: stronger


[Q]: Paragraph: The closer objects are to each other, the stronger the gravitational force between them.
 Question: Objects moving farther apart will have _____ gravitational force between them. 
 Choices: A)more 
B)less
[A]:
less