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 further objects are away from each other, the smaller the gravitational force.
 Question: The sun exerts gravitational force on all the planets, which has a lower gravitational force 
 Choices: A)earth 
B)mars
mars

Paragraph: As you go farther from the nucleus of an atom, the electron levels have more and more energy.
 Question: Mary was performing experiments with atoms in her lab. She was measuring energy levels at various distances from an atom's nucleus. Would measurements taken farther from a nucleus result in 
 Choices: A)lower energy levels? 
B)greater energy levels or
lower energy levels?

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 more blood per contraction, resulting in lower BPM? 
 Choices: A)Rich 
B)Paul

Rich