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: Bases have pH values above 7. The higher the pH value, the more strongly basic the substance.
 Question: If Mona is filling her pool with chemicals to change the pH level of the water and she decreases the pH, what happens to the baseness of the water? 
 Choices: A)increase 
B)decrease

A: decrease
****
Q: Paragraph: The greater the mass of the objects, the stronger the gravitational pull between them.
 Question: Two small planets are near each other, and two large planets are near each other. The smaller planets, compared to the larger planets will have a gravitational pull that is 
 Choices: A)weaker 
B)stronger

A: weaker
****
Q: Paragraph: Lower temperature and higher salinity yield the densest water.
 Question: When water starts to freeze it becomes 
 Choices: A)more dense 
B)less dense

A:
more dense
****