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).

[EX Q]: Paragraph: Its harder to overcome friction between heavier objects and the floor than it is between lighter objects and the floor.
 Question: If you tried to push a sack of unpopped popcorn or a sack of popped popcorn, both of the same volume, would it be easier to push the 
 Choices: A)sack of unpopped popcorn 
B)sack of popped popcorn?
[EX A]: sack of popped popcorn?

[EX Q]: Paragraph: More UV rays increase skin cancer rates.
 Question: Mona lives in a country that experiences high levels of sunlight. If she moves to a less sunny country, what happens to her chance of getting skin cancer? 
 Choices: A)increases 
B)decreases
[EX A]: decreases

[EX Q]: Paragraph: Greater use of oil and other fossil fuels causes more pollution.
 Question: Mona lives in a city that doesn't use much oil. If the mayor of that city decides to change their policy and the city begins using more oil, what happens to the amount of pollution generated by the city? 
 Choices: A)increases 
B)decreases
[EX A]:
increases