One Reason for the Higher Pitch of Your Voice After

question 42

Multiple Choice

One reason for the higher pitch of your voice after you've inhaled some helium is that sound travels

• A)slower in helium than in air.
• B)faster in helium than in air.
• C)the same speed in helium but with a longer wavelength.

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Definitions:

Output

The aggregate production of either goods or services by an organization, commercial sector, or the economy as a whole.

Diminishing Returns Effect

A principle in economics where increasing one factor of production, while keeping others constant, will at some point yield lower per-unit returns.

Variable Cost

Expenses that vary directly with the level of production output, such as raw materials, labor, and energy costs.

Output

The total amount of goods or services produced by a company, sector, or economy within a specific time period.