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: Will takes away half of a rock. The total surface area of the rock has now 
 Option1: decreased 
 Option2: increased 
 Explanation: As rock breaks into smaller pieces, the surface area of the pieces increases.
decreased

Question: A family that is very small, compared to one that is enormous, will have allele differences that are 
 Option1: smaller 
 Option2: greater 
 Explanation: The smaller a population is, the more allele frequencies may drift.
smaller

Question: The temperature has been dropping in a certain part of the world. The temperature change leads to _____ chemical weathering. 
 Option1: less 
 Option2: more 
 Explanation: Chemical weathering increases as: Temperature increases: Chemical reactions proceed more rapidly at higher temperatures.

less