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).

Paragraph: The closer objects are, the stronger the gravitational pull between them.
 Question: If Mona moves her baseballs farther apart, what happens to the gravitational pull between them? 
 Choices: A)increases 
B)decreases
decreases

Paragraph: A higher-frequency wave has more energy than a lower-frequency wave with the same amplitude.
 Question: A wave with more energy than another will have a _____-frequency. 
 Choices: A)lower 
B)higher
higher

Paragraph: As more resistors are added in series, the total resistance of the circuit increases.
 Question: If Mona is building a circuit and she adds more resistors in series, what happens to the total resistance of the circuit? 
 Choices: A)increases 
B)decreases
increases