What Happens to Stars That Have Ejected a Planetary Nebula

question 1

Multiple Choice

What happens to stars that have ejected a planetary nebula?

• A)They become protostars.
• B)They become brown dwarfs.
• C)They become white dwarfs.
• D)They become red giants.

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Definitions:

Cartel

A group of independent companies that collaborate to control prices and production in order to monopolize a market.

Oligopoly

A market structure dominated by a small number of large firms, offering similar or identical products, with significant barriers to entry for new competitors.

Joint Profits

The total earnings generated by two or more firms collaborating in a venture or partnership.

Marginal Cost

The uplift in total expenditure caused by the production of one more unit of a product or service.