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: As the rocket falls down through the troposphere and gets nearer to the Earth's surface, the air will be 
 Option1: warmer 
 Option2: cooler 
 Explanation: Air in the troposphere is warmer closer to Earths surface.
[A]: warmer


[Q]: Question: If a piece of wire it gets very hot it will have 
 Option1: more resistance 
 Option2: less resistance 
 Explanation: The hotter a resistor becomes the more resistance it has.
[A]: more resistance


[Q]: Question: What would happen to the atmosphere as Jim climbed lower down a mountain? 
 Option1: it would become less dense 
 Option2: it would become more dense 
 Explanation: The density of the atmosphere decreases with an increase in the height above sea level (altitude).
[A]:
it would become more dense