You are given a question or fill-in-the-blank question, two answer options (Option1 and Option2) and an Explanation. Your task is to find the correct answer (return the string of the correct option, not option1/2) for the given question from the given options and using explanation.

Question: If Mona is producing sound waves by listening to her radio at night and she turns up the volume, what happens to the amount of energy being produced by the radio? 
 Option1: increases 
 Option2: decreases 
 Explanation: A higher-frequency wave has more energy than a lower-frequency wave with the same amplitude.
increases

Question: Theresa created an electromagnetic wave with frequency 10000 megahertz. Eric created a frequency of 20000 megahertz. Whose frequency has greater energy? 
 Option1: Theresa 
 Option2: Eric 
 Explanation: The higher the frequency of an electromagnetic wave, the greater its energy.
Eric

Question: Carbon dioxide levels decreasing cause the temperature to 
 Option1: decrease 
 Option2: increase 
 Explanation: An increase in greenhouse gases leads to greater greenhouse effect.

decrease