instruction:
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.
question:
Question: If the population of Mona's city has been growing recently and there are more people living there this year compared to last year, what happens to the need for resources? 
 Answer: increased need
answer:
More people need more resources.


question:
Question: Twenty wolves recently left their pack for new territory. The smaller number of wolves in the pack means that the availability of food will be 
 Answer: greater
answer:
As the population increases, the food supply, or the supply of another necessary resource, may decrease.


question:
Question: Darrel puts two bowling balls together, then puts two tennis balls together. The bowling balls have friction that is 
 Answer: greater
answer:

Heavier objects press together with greater force, and this causes greater friction between them.