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.
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Question: 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.

Answer: greater


Question: Question: As Cindy swam closer to the ocean surface, it got lighter and _____. 
 Option1: warmer 
 Option2: cooler 
 Explanation: Water density increases as salinity and pressure increase, or as temperature decreases.

Answer: warmer


Question: Question: If Mona is creating a chemical reaction in her lab and she decreases the concentration of reactants, what will happen to the reaction rate? 
 Option1: increase 
 Option2: decrease 
 Explanation: When the concentration of reactants is higher, the reaction rate is faster.

Answer:
decrease