Look, what happened to Enzo is gonna haunt you and her for the rest of your lives. But the you standing with me right now, the you that's gonna marry Caroline Forbes tomorrow, the you that I have known for almost 200 years, you didn't do it. Evil, nasty, Ripper Stefan did it, and you are not him. You hear me? Who said this

but there is no

i guess you forgot putting it.

answer: decrease

a limiting factor is the one which decrease the abundance, distribution and causes extinction of the population of species in a ecosystem. here, predators including hawks, owls and snakes are the limiting factor for the population of mexican free tailed bat.   although bats are nocturnal animals as they forge for food at night these predators also may remain active during night which can decrease the population of the mexican free-tailed bats. also, these bats eat only one type of insects that are moths. the food can also be a limiting factor as all 400 members are dependent upon same type of food needs that are moths. the decrease in the moth population can cause decrease in population size of the mexican free-tailed bats.

therefore, the scenarios will most likely to decrease the population size of the mexican free-tailed bats.  

b is the answer and if you need further with anything message me