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: Higher-frequency waves have more energy.
 Question: Andy is noticing that all of the waves in the area are higher-frequency waves. Andy can then deduce that these waves have energy that is 
 Choices: A)more 
B)less
[EX A]: more

[EX Q]: Paragraph: Countries with more industry produce more hazardous wastes than those with little industry.
 Question: James loved to travel the world. In his travels, he noticed that America contained a lot of industry while China contained not much industry at all. Which country produced more hazardous wastes? 
 Choices: A)America 
B)China
[EX A]: America

[EX Q]: Paragraph: The more efficient a device is, the greater the percentage of usable energy it produces.
 Question: When a device become more efficient, its production of usable energy will go 
 Choices: A)up 
B)down
[EX A]:
up