Picture question? what is the answer

Which of the following shows the correct order in which light information travels through the eye? (2 points) lens, pupil, retina, optic nerve pupil, lens, retina, optic nerve pupil, lens, optic nerve, retina lens, pupil, optic nerve, retina

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

How does human environment effect the biosphere