Why is water pollution a concern if water is continuously cycled through earth’s systems?

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

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

Discuss the functions of epithelial connective nerviud and muscular tissues