What Is a Planetary Nebula

question 138

Multiple Choice

What is a planetary nebula?

• A)the expanding shell of gas that is no longer gravitationally bound to the remnant of a low- mass star
• B)the expanding shell of gas that is left when a white dwarf explodes as a supernova
• C)the molecular cloud from which protostars form
• D)a disk of gas surrounding a protostar that may form into planets
• E)what is left of its planets after a low- mass star has ended its life

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Definitions:

Inference

The process of reasoning and drawing conclusions based on the evidence or premises provided.

Transaction

The act of conducting business, typically involving the exchange of goods, services, or funds between parties.

Express Warranty

A seller's promise or guarantee to a buyer that a product meets certain quality and reliability standards.

Representation

The act of speaking or acting on behalf of someone or something, often in legal, business, or political contexts.