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: Polly is analyzing climate change. She deduces that removing heat energy from the atmosphere would _____ to changes in precipitation patterns. 
 Option1: fix 
 Option2: cause 
 Explanation: Adding more heat energy to Earths atmosphere also causes more extreme weather and changes in precipitation patterns.
[A]: fix


[Q]: Question: Will's spaceship flew further and further from the sun. The temperature _____ over time. 
 Option1: increased 
 Option2: dropped 
 Explanation: The stratosphere gets most of its heat from the Sun. Therefore, its warmer closer to the Sun.
[A]: dropped


[Q]: Question: Will increases the population of his model of the world's population. The amount of water scarcity, if no other variables are changed, will likely go 
 Option1: up 
 Option2: down 
 Explanation: Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.
[A]:
up