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: By pouring a pound of salt into a bucket of fresh water, could you cause the density of the water to 
 Option1: increase 
 Option2: decrease? 
 Explanation: Water density increases as salinity and pressure increase, or as temperature decreases.

SOLUTION: increase

PROBLEM: Question: If Mona begins using less nonrenewable resources what will happen to the length of time those resources will last? 
 Option1: decrease 
 Option2: increase 
 Explanation: Using less nonrenewable resources means that they will last longer.

SOLUTION: increase

PROBLEM: Question: Sue is moving from a cold city in Canada to a warm tropical island. The type of vegetation and rate of biological weathering be _____ in Sue's new habitat after she makes the move. 
 Option1: greater 
 Option2: lesser 
 Explanation: The warmer a climate is, the more types of vegetation it will have and the greater the rate of biological weathering.

SOLUTION:
greater