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 more tightly packed the particles inside the material are, the more dense we say they are.
 Question: Eric has a soccer ball and kicks it into a rock of roughly the same size. The rock doesn't move and the ball bounces away. The ball is _____ dense than the rock. 
 Choices: A)less 
B)more

A: less
****
Q: Paragraph: For a given medium, sound has a slower speed at lower temperatures.
 Question: When animals are moving in the cold they are 
 Choices: A)faster 
B)slower

A: slower
****
Q: Paragraph: The closer objects are, the stronger the gravitational pull between them.
 Question: Two suns closing in on each other will have _____ gravitational pull between them. 
 Choices: A)increasing 
B)decreasing

A:
increasing
****