Compare a bituminous roof membrane to a single ply roof membrane.

Single-ply membranes are a assorted and promptly increasing group of sheet materials that are functional to the roof in a single layer. As equated to built-up membranes, they need less on-site labor, and they are usually more flexible and therefore less liable to to cracking and ripping. They are attached to the roof surface by any of several means.

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.