Amountain separates a population of mice into two distinct eastern and western populations. the eastern area is inhabited by owls, which hunt at night. no owls live in the western area. overtime, the eastern population of mice will most likely

The mice would become less active during the night.

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.

answer; both surfaces of the membrane are nonpermeable