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: A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.
Question: If you are able to add greenhouse gases the temperature will
Choices: A)go up
B)go down
[EX A]: go up

[EX Q]: Paragraph: To reduce friction, oil is added to the engine.
Question: If Milo's engine is running hot, how will draining the oil affect friction?
Choices: A)increase
B)reduce
[EX A]:
increase