The Energy-Generation Process Inside a White Dwarf Is

question 261

Multiple Choice

The energy-generation process inside a white dwarf is:

• A) the combining of protons and electrons to form neutrons within its core.
• B) hydrogen fusion.
• C) nonexistent-a white dwarf is simply cooling by radiating its original heat.
• D) the helium flash-very efficient and rapid helium fusion.

---

Definitions:

Parasympathetic Nervous System

Part of the autonomic nervous system responsible for rest and digest functions, reducing heart rate, and increasing digestive activity.

Exocrine Glands

Glands that secrete substances through ducts to an external or internal surface of the body.

Endocrine Glands

Glands that secrete hormones directly into the bloodstream, where they regulate processes such as growth, reproduction, and metabolism.

Reticular Formation

A network of neurons located in the brainstem that is critical for regulating wakefulness and sleep-wake transitions.