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: People in the richer nations of the world use far more energy, especially energy from fossil fuels, than people in the poorer nations do.
 Question: If America is a poor nation and China is a rich nation, then America's energy usage compared to China's is 
 Choices: A)greater 
B)smaller

A: smaller
****
Q: Paragraph: The more cylinders a car engine has, the more powerful its engine can be.
 Question: Mona is designing a car in a factory. If she decides to remove cylinders from the car's engine, what happens to the power that engine can output? 
 Choices: A)increased 
B)decreased

A: decreased
****
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 were trying to push a box and wanted the one with the most friction which would you push? 
 Choices: A)light box 
B)Heavy box

A:
Heavy box
****