What Is It That Keeps Localized Regions of Space,such as Things

question 168

Multiple Choice

What is it that keeps localized regions of space,such as things on Earth,planetary systems,star clusters,and whole galaxies,from participating in the general expansion of the universe?

• A) their locations in places where irregularities in the chaotic Big Bang explosion permitted matter to condense
• B) mutual gravitational attraction between objects in these systems
• C) centrifugal force produced by the motion of the regions around a massive central object (e.g., the Sun, a supermassive black hole, etc.)
• D) powerful and all-pervading gravitational pulls from the central supermassive black holes of galaxies that holds everything in the galaxies in place

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Definitions:

Gain In Producer Surplus

An increase in the difference between what producers are willing to accept for a good versus what they actually receive.

Total Surplus

The sum of consumer surplus and producer surplus in a market, representing the total net benefit to society from the production and consumption of a good or service.

Chocolate Market

The economic marketplace that encompasses the production, distribution, and sale of chocolate products.

Producer Surplus

The gap between the price at which suppliers are prepared to offer a product and the actual amount they get for it.