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: Countries with more industry produce more hazardous wastes than those with little industry.
 Question: James loved to travel the world. In his travels, he noticed that America contained a lot of industry while China contained not much industry at all. Which country produced more hazardous wastes? 
 Choices: A)America 
B)China

A: America
****
Q: Paragraph: The more dense the medium, the slower the light moves.
 Question: John was looking at the lights passing through the object. He noticed that the less dense the medium, the light would move 
 Choices: A)Faster 
B)Slower

A:
Faster
****