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: Gluons make quarks attract each other more strongly the farther apart the quarks get.
 Question: When there are high levels of gluons in quarks it becomes 
 Choices: A)weaker 
B)stronger
stronger

Paragraph: As the distance between the objects increases, the force of gravitational attraction decreases.
 Question: Two planets are drawn to each other in space, however they begin to drift apart over time. As the years press on, the planets will have a gravitation attraction between them that is 
 Choices: A)greater 
B)lesser
lesser

Paragraph: At higher elevations, there is less air to press on a given area.
 Question: When we get to the bottom of a mountain the air is 
 Choices: A)more dense 
B)less dense

more dense