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: When there are a lot of people in one area they need 
 Answer: many resources
answer:
More people need more resources.


question:
Question: Keith is showering, and is washing himself using a bar of soap, and then again with a loofah. Keith's skin will get better exfoliation, due to the greater friction, when he washes his body using the 
 Answer: loofah
answer:
Friction is greater when objects have rougher surfaces or are heavier so they press together with greater force.


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.