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: 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 second set of objects is 
 Choices: A)greater 
B)less.
less.

Paragraph: As blood glucose levels decrease, less insulin is produced.
 Question: Bob's blood glucose levels have increased, which means he should also be producing _____ insulin. 
 Choices: A)less 
B)more
more

Paragraph: Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.
 Question: As more people are added to Earth, they will find _____ water scarcity. 
 Choices: A)increasing 
B)decreasing
increasing