If a Region of the Universe During the Big Bang

question 84

Multiple Choice

If a region of the universe during the big bang is the pink/black colors and a region of the universe today shows the sky-blue galaxies and stars, what are the yellow squiggly lines and when did they occur?

• A) photons, matter-antimatter annihilation
• B) photons, CMB
• C) hydrogen fusion to helium, era when neither matter nor radiation dominates
• D) gamma rays, dark age

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Definitions:

Complement

A good or service that is used together with another good or service, increasing demand for both.

Substitute

A good or service that can be used in place of another good or service, typically because it serves a similar function or satisfies the same needs.

Demand Equation

A mathematical representation of the demand curve, expressing the relationship between the quantity demanded and various factors that influence it, such as price.

Marginal Utility

The supplementary enjoyment or value someone gains from consuming one more unit of a certain good or service.