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: The more efficient a device is, the greater the percentage of usable energy it produces.
 Question: Theresa made a device that uses 25% of usable energy. Ryan made a device that uses 10% of usable energy. _____ made a device that is more efficient. 
 Choices: A)Theresa 
B)Ryan
[A]: Theresa


[Q]: Paragraph: Electromagnetic waves with shorter wavelengths have higher frequencies and more energy.
 Question: If we find an electromagnetic wave with very short wavelengths, it will likely have _____ energy. 
 Choices: A)much 
B)little
[A]: much


[Q]: Paragraph: More pollutants mean poorer air quality.
 Question: After the fire of a pile of tires at the landfill was put out, the reduction of smoke in the air made the air quality 
 Choices: A)better? 
B)worse
[A]:
better?