A Whitish Sky Is Evidence That the Atmosphere Contains

question 33

Multiple Choice

A whitish sky is evidence that the atmosphere contains

• A)predominantly small particles.
• B)predominantly large particles.
• C)a mixture of particle sizes.
• D)water vapor.
• E)pollutants.

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Definitions:

Conduction Hearing Impairment

A type of hearing loss where there is a problem conducting sound waves anywhere along the route through the outer ear, tympanic membrane, or middle ear.

Supertaster

A supertaster is someone who experiences the sense of taste with far greater intensity than average, often having a higher sensitivity to sweet, bitter, and umami tastes.

Volley Principle

Theory of pitch that states that frequencies from about 400 Hz to 4,000 Hz cause the hair cells (auditory neurons) to fire in a volley pattern, or take turns in firing.

Frequency Theory

Theory of pitch that states that pitch is related to the speed of vibrations in the basilar membrane.