Which result would most likely increase mice population

A: A long period drought

B: A decrease in the food supply

C: A decrease in the owl population

C. is the correct answer because when the a rats main predator (owls) die off no one or other animal is there to kill them, leaving the rats to live and repopulate.

C

Explanation:

a long period of drought and a decrease in food supply will both result in a decrease in mice population because both of those events will kill mice since they are not getting essentials of life.

if the owl population decreases, then there are less deaths because owls are their biggest predator.