TASK DEFINITION: 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.
PROBLEM: Question: If Milo is flying through the air and he moves farther from the Earth, what happens to the temperature of the air? 
 Option1: increases 
 Option2: decreases 
 Explanation: Air in the troposphere is warmer closer to Earths surface.

SOLUTION: decreases

PROBLEM: Question: Would Jim's solution become more or less acidic if he decreased the concentration of hydrogen atoms in it? 
 Option1: more acidic 
 Option2: less acidic 
 Explanation: With a higher the concentration of hydrogen ions, a solution is more acidic and has a lower pH.

SOLUTION: less acidic

PROBLEM: Question: If Mona is building some resistors and she makes them longer, what happens to the resistance of them? 
 Option1: decreases 
 Option2: increases 
 Explanation: Longer length resistors will offer more resistance than shorter resistors.

SOLUTION:
increases