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).

Paragraph: Higher-frequency waves have more energy.
 Question: If Mona is generating microwaves while defrosting her meat and she decreases the frequency of them, what happens to the amount of energy she is generating? 
 Choices: A)increases 
B)decreases
decreases