An Aurora Is Produced When

question 33

Multiple Choice

An aurora is produced when

• A)solar wind particles are directed toward the magnetic poles and excite atmospheric gases.
• B)swamp gases rise from the arctic tundra and react with the upper atmosphere.
• C)radiation in the Van Allen belts can be seen on a clear, cold night.
• D)lightning travels from cloud to cloud rather than cloud to ground.

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Definitions:

Marginal Benefit

The further enjoyment or utility obtained when one more unit of a product or service is consumed.

Pollution

The existence or entry of a harmful or toxic material or object into the environment.

Polluters

Individuals or entities that introduce pollutants or contaminants into the environment, causing pollution.

Environmental Standards

Regulations and criteria set by governmental bodies or international organizations to protect the environment and human health by limiting pollution and managing natural resource use.