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: Question: If Mona is exploring different continents and she notices that Africa is cooler then North America, which continent will have more types of vegetation? 
 Option1: North America 
 Option2: Africa 
 Explanation: The warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering.

Answer: North America


Question: Question: If we find something with a high pH value that is likely to be 
 Option1: acidic 
 Option2: basic 
 Explanation: The higher the pH value is, the stronger the base.

Answer: basic


Question: Question: As the Earth's atmosphere cools down due to global warming, what will happen to the precipitation patterns? 
 Option1: they will become less variable 
 Option2: they will become more variable 
 Explanation: Adding more heat energy to Earths atmosphere also causes more extreme weather and changes in precipitation patterns.

Answer:
they will become less variable