The Radiation of Life at the Beginning of the Phanerozoic

question 23

Multiple Choice

The radiation of life at the beginning of the Phanerozoic eon is known as the

• A)Cambrian adaptation.
• B)Precambrian radiation.
• C)Cambrian explosion.
• D)Precambrian adaptation.

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Definitions:

Transfer Payments

Payments made by the government to individuals or other entities without receiving any goods or services in return, such as welfare or subsidies.

Federal Taxes

Taxes levied by the national government on income, property, sales, and other activities, used to fund public services and programs.

Automatic Stabilizers

Economic policies and programs, such as unemployment insurance and progressive taxes, that automatically adjust to stabilize economic fluctuations.

Business Cycle

The natural rise and fall of economic growth over time, characterized by periods of expansion, peak, contraction, and trough.