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: A rock has more mass than a pebble. Which object will exhibit a smaller force of attraction? 
 Option1: rock 
 Option2: pebble 
 Explanation: The greater the objects mass, the greater the force of attraction; in addition, the greater the distance between objects, the smaller the force of attraction.

SOLUTION: pebble

PROBLEM: Question: Carla takes a look at the populations of two countries. She finds Canada had about 37 million people in 2017. The United States had a population of 325 million in that same year. Therefore, the United States likely clears _____ land for agriculture and development than Canada. 
 Option1: more 
 Option2: less 
 Explanation: More people also means more clearing of land for agriculture and development.

SOLUTION: more

PROBLEM: Question: If Mona is building an electrical machine and she decreases the length of the wire feeding power to it, what happens to the resistance of that wire? 
 Option1: increases 
 Option2: decreases 
 Explanation: Longer wires have more resistance than shorter wires.

SOLUTION:
decreases