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: The full box is harder to move because it has greater mass and therefore greater inertia.
 Question: Sally is pulling two wagons. The red wagon is full of sand, and the blue wagon is empty. The wagon that will be easier to pull is the 
 Choices: A)red wagon 
B)blue wagon

A: blue wagon
****
Q: Paragraph: In a series circuit, the resistance increases as more resistors are added in series.
 Question: Eric adds more resistors to the series circuit. The resistance 
 Choices: A)increases 
B)decreases

A: increases
****
Q: Paragraph: The more acidic a solution is, the closer its pH value will be to 0
 Question: Erin is trying to get her solution to have a pH as close to zero as possible. The best way for Erin to do that is to have the acidity of the solution 
 Choices: A)decrease 
B)increase

A:
increase
****