We Can Localize a Sound, or Tell from Where It

question 176

Multiple Choice

We can localize a sound, or tell from where it is coming, because __________.

• A) we have ears on each side of our head
• B) we can compare the signal received by the left and right ears
• C) we can turn our head to determine how the arrival of the sound at the two ears changes
• D) all of the above

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Definitions:

Mercantilism

An economic theory and practice that promotes government regulation of the nation's economy to increase state power at the expense of rival national powers.

Trade Surplus

A situation where a country's exports exceed its imports over a given period.

Sovereign Country

An independent state that possesses full self-government and is not controlled by another state.

Porter's Diamond Model

A framework for analyzing the competitive advantage nations or regions possess due to four key factors: factor conditions, demand conditions, related and supporting industries, and firm strategy, structure, and rivalry.