When Sound Travels Faster Higher Above the Ground Than Below

question 8

Multiple Choice

When sound travels faster higher above the ground than below, bending of sound tends to be

• A)upward.
• B)downward.
• C)to the left.
• D)to the right.
• E)none of the above

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Definitions:

Cyclical Unemployment

A type of unemployment that relates to the cyclic trends in the economy over time, often tied to changes in the business cycle.

Overall Unemployment Rate

The percentage of the labor force that is jobless and actively seeking employment, reflecting the health of an economy.

Inflation

The upward movement in the overall price points of goods and services, cutting down on purchasing strength.

Average Price Level

A measure of the overall level of prices in an economy, often considered in terms of a price index.