The Bubbles in Beer Are ____

question 36

Multiple Choice

The bubbles in beer are ____.

• A) carbon dioxide
• B) oxygen
• C) ethanol
• D) pyruvate
• E) nitrous oxide

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Definitions:

Fovea

A minuscule dip in the retina of the eye that is the location of the greatest visual sharpness.

Blind Spot

An area in the field of vision that is not detected by the eye, where the optic nerve connects to the retina, or metaphorically, an area of ignorance or lack of awareness.

Retina

A layer at the back of the eyeball containing cells that are sensitive to light and trigger nerve impulses that pass via the optic nerve to the brain, where a visual image is formed.

Sensation

The process by which sensory receptors and the nervous system receive stimuli from the environment, such as touch, taste, smell, sound, and sight.