The Key Component of Smog Is

question 60

Multiple Choice

The key component of smog is

• A) particulate matter.
• B) ground-level ozone.
• C) sulfur dioxide.
• D) carbon monoxide.

---

Definitions:

The Pupil

The adjustable opening in the center of the eye through which light enters, its size regulates the amount of light that reaches the retina.

Retina

The light-sensitive layer of tissue at the back of the inner eye which converts light images into electrical signals sent to the brain via the optic nerve.

Window Shopping

The act of looking at goods in store windows without the intention of purchasing them, usually for leisure.

Bright Light

Refers to intense light levels, often used in light therapy to treat seasonal affective disorder and regulate circadian rhythms.