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.

[Q]: Question: A hard rock will erode _____ than a soft rock. 
 Answer: slower
[A]: The water erodes the softer rock faster than the harder rock.


[Q]: Question: Carter puts two rocks outside; one is a soft pebble, the other is a solid stone. A year later, he checks on the rocks. The solid stone is still there because it has a resistance that is 
 Answer: greater
[A]: Different types of rocks weather at different rates. More resistant types of rocks will remain longer.


[Q]: Question: If the population of India were to double, their people should expect to have _____ food available. 
 Answer: less
[A]:
As the population increases, the food supply, or the supply of another necessary resource, may decrease.