Briefly Explain Why Radiation Was Trapped for 380,000 Years During

question 33

Essay

Briefly explain why radiation was trapped for 380,000 years during the era of nuclei, and why the cosmic background radiation was formed at the end of this era.

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Definitions:

Normal Good

A type of good for which demand increases as the income of the consumer increases, reflecting a direct relationship between income and demand.

Inferior Good

A type of good whose demand decreases as the consumer's income increases, opposite to normal goods.

Complementary Good

A product or service that enhances the use or value of another product or service when used together.

Substitute

A good whose demand increases when the price of another good increases. For example, two brands of cola soft drinks are substitutes.