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 closer objects are, the stronger the gravitational pull between them.
 Question: Mary is looking through her new telescope. She sees some objects in space that are exerting gravitational pulls on each other. If the first two objects are 50,000 miles apart, and the second set of objects are 100,000 miles apart from each other, then the gravitational pull of the first set of objects is 
 Choices: A)greater 
B)less.

A: greater
****
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: If you spend very little time working out your muscles will be 
 Choices: A)smaller 
B)larger

A: smaller
****
Q: Paragraph: More dense water takes up less space than less dense water.
 Question: Jeff found some very dense water. He knows it is dense because it takes up _____ space than less dense water. 
 Choices: A)more 
B)less

A:
less
****