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 closer objects are, the stronger the gravitational pull between them.
 Question: Does a ball in space have more or less gravity on it than on earth? 
 Choices: A)more 
B)less
less

Paragraph: At higher concentrations, particles of reactants are crowded closer together, so they are more likely to collide and react.
 Question: Mike is watching how particles of reactants function, and sees that they are very far apart. Considering that the concentration of them is very low, the chance of them colliding together is 
 Choices: A)high 
B)low
low

Paragraph: The closer objects are, the stronger the gravitational pull between them.
 Question: If Mona moves her baseballs farther apart, what happens to the gravitational pull between them? 
 Choices: A)increases 
B)decreases
decreases