The Aurora Borealis

question 79

Multiple Choice

The aurora borealis:

• A)is a different type of physical phenomenon than the aurora australis.
• B)gains its energy from sunlight reflected from Earth.
• C)is typically strongest near the equator.
• D)emits light as electrons move from higher orbits around the nucleus to lower ones.

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Definitions:

Product Development

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Federal Trade Commission

A U.S. government agency aimed at protecting consumers and promoting competition, by preventing anticompetitive, deceptive, and unfair business practices.

Early Adopter

A person who starts using a product or technology as soon as it becomes available, often before it has been widely adopted.

Market Trends

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