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One reason why we should work to prevent human activities from causing the extinction of other species is that they are a vital part of the earth's ____________________ system.
Tertiary Sector
The segment of the economy that provides services rather than producing goods, including industries such as retail, entertainment, financial services, and health care.
Economy
The system of production, distribution, and consumption of goods and services within a society or geographical area.
Policy Analyst
A professional who evaluates and advises on the formulation of policies and strategies, often within governmental or organizational contexts.
Federal Government
The national government of a federation that holds the authority over the political entities such as states or provinces.
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