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: Air pressure is less at higher elevations.
 Question: Air pressure is higher in the 
 Choices: A)mountains 
B)valleys.
[A]: valleys.


[Q]: Paragraph: The Moon has a greater effect on the tides because, although it is much smaller than the Sun, it is much closer.
 Question: Tina had a large rock on the beach. Rich had a large rock 10 miles inland. The person with the rock that has less effect on the tides is 
 Choices: A)Rich 
B)Tina
[A]: Rich


[Q]: Paragraph: The more charged the objects are, the stronger the electrostatic force between them.
 Question: If Mona is manipulating the charge of a couple of her objects, what happens to the electrostatic force if she increases the charge of one of the objects? 
 Choices: A)increase 
B)decrease
[A]:
increase