Question

Which of the following is the most likely reason that a population of mice in a farming area suddenly increases?

Answer 1

The correct answer is option C. more food is available as grain is harvested.

The harvesting of the grains in the farming area result in the increase in the grain (food) availability for the rodents such as mice. Due to availability of the food, the mice have a benefit for survival. So, many mice would be seen as they come out for eating and they would be able to reproduce more.  

Answer 2

The answer is:

C. More food is available as grain is harvested

I just answered this on my quick check, so I hope this helps you :)