As a Star Becomes a Giant, Its Outer Layers Are

question 20

Multiple Choice

As a star becomes a giant, its outer layers are expanding. Where does the energy for expanding these layers come from?

• A) from the fusion of helium into carbon in the core
• B) from the long-term fusion of hydrogen into helium in the core
• C) from an explosion in the core
• D) from a magnetic dynamo effect in the star's outer layers, caused by a much stronger magnetic field inside the star
• E) from the fusion of hydrogen into helium in a shell around the core

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Definitions:

Group-Level Goals

Objectives set by a group that are intended to be achieved through collective effort.

Leadership And Management

Refers to the acts of guiding, directing, and administering organizations or groups towards achieving their objectives, with leadership focusing more on vision and inspiration, and management on the execution and organization.

Stressful Situation

A scenario that causes stress or tension, typically requiring significant mental, emotional, or physical effort to manage or overcome.

Direct And Indirect

Refers to the manner in which communication, influence, or actions occur; directly involves no intermediaries, while indirectly involves one or more intermediaries.