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).

[EX Q]: Paragraph: When we add resistors in parallel to each other the total resistance decreases and the current increases.
 Question: Eric adds resistors in parallel to a circuit. The total current 
 Choices: A)increases 
B)decreases
[EX A]: increases

[EX Q]: Paragraph: When a person exercises regularly, and is fit, the heart undergoes certain long-term adaptations. The heart muscle gets stronger, and expels more blood with each contraction.
 Question: Rich works out every day. Paul does not work out at all. Whose heart expels less blood per contraction, resulting in lower BPM? 
 Choices: A)Rich 
B)Paul
[EX A]: Paul

[EX Q]: Paragraph: The greater the mass of the objects, the stronger the gravitational pull between them.
 Question: The moon is unable to hold in all the planets because it is 
 Choices: A)more massive 
B)less massive
[EX A]:
less massive