The Characteristic Bright Line Spectrum of an Element Is Produced

question 21

Multiple Choice

The characteristic bright line spectrum of an element is produced when electron(s)

• A)move to higher energy levels.
• B)fall back to lower energy levels.
• C)are emitted as gamma radiation.
• D)are absorbed into the nucleus.

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Spaceship-Earth Strategy

A metaphorical concept emphasizing Earth's finite resources and the need for sustainable environmental management.

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The responsible management and care of resources or property, often with a focus on conservation and sustainability.

Planetary Management

The active manipulation and management of a planet's environment and resources to ensure sustainability and habitability for its inhabitants.

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The intrinsic worth of something, independent of its utility or application.