Which layer of the eye completely surrounds the eye except for a dark, round opening called the pupil?
a.) sclera
b.) cornea
c.) retina
d.) choroid

answer; i believe the correct answer is (data); /// good luck

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )