What part of the eye touches the air?

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

What do scientists need to look at before developing an argument