In 1950, Eight of the Ten Largest U

question 15

Multiple Choice

In 1950, eight of the ten largest U.S.cities were in the Northeast and Midwest-a region often called the

• A)Sunbelt.
• B)Snowbelt.
• C)Industrialization Zone.
• D)Beltway Corridor.

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Definitions:

Sclera

The white outer layer of the eyeball that, along with other structures, protects the eye and helps maintain its shape.

Cornea

The transparent front part of the eye that covers the iris, pupil, and anterior chamber, contributing to the eye's focusing power.

Pupil

The pupil is the black circular opening in the center of the iris of the eye, which regulates the amount of light that enters the eye.

Iris

The colored part of the eye surrounding the pupil, responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina.