Of the More Than 2

question 37

Multiple Choice

Of the more than 2.4 million deaths in the United States in 2005, about what percent were caused by smoking-related illnesses?

• A) 2%
• B) 10%
• C) 20%
• D) 50%

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Definitions:

Pupil

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

Accommodation

The process of adjusting thoughts or schemas to incorporate new information or experiences.

Lens

A transparent optical device used to converge or diverge transmitted light and to form images.

Visual Acuity

The clarity or sharpness of vision, a measure of how well a person can see details at a distance.