In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Example Input: Question: Ares has a rock of with a surface area of 10 meters squared and a rock with a surface area of 1 meter square. The _____ rock likely has less area affected by a chemical reaction 
 Answer: 1m
Example Output: Surface Area of Reactants When a solid substance is involved in a chemical reaction, only the matter at the surface of the solid is exposed to other reactants. If a solid has more surface area, more of it is exposed and able to react.

Example Input: Question: If your larynx were to grow, your voice would become _____ deep. 
 Answer: more
Example Output: The voice becomes deeper as the larynx in the throat grows larger.

Example Input: Question: A highly efficient system will have _____ wasted energy than an inefficient one. 
 Answer: less
Example Output:
The greater the wasted output energy, the less efficient the system.