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.

Q: Question: If Mona is building a new mirror and she wants it to refract less light, what should she do to the surface of the lens? 
 Option1: make it more curved 
 Option2: make it less curved 
 Explanation: The more curved the surface of a lens is, the more it refracts light.

A: make it less curved
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Q: Question: Mary is taking measurements of the amount of oxygen in samples of water. If she measured the total levels of dissolved oxygen in a sample at 70 degrees fahrenheit and compared it to a sample at 80 degrees fahrenheit, which would contain more dissolved oxygen? 
 Option1: 80 degrees fahrenheit 
 Option2: 70 degrees fahrenheit 
 Explanation: Warm water cant hold as much dissolved oxygen as cool water, so an increase in the temperature of water decreases the amount of oxygen it contains.

A: 70 degrees fahrenheit
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Q: Question: Megan had two charged metal balls that she was analyzing. If she decreases the charge of the balls, the electrostatic force between them 
 Option1: decreases 
 Option2: increases 
 Explanation: The more charged the objects are, the stronger the electrostatic force between them.

A:
decreases
****