The Earth's Life-Support System Consists of Four Main Spherical Systems

question 57

Multiple Choice

The earth's life-support system consists of four main spherical systems, including the air, water, living things, and the ____.

• A) troposphere
• B) biosphere
• C) geosphere
• D) hydrosphere
• E) atmosphere

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Definitions:

Labor Mobility

The ease with which workers can move between jobs, regions, or industries, often influencing economic efficiency and worker welfare.

Fiscal Policies

Governmental measures related to tax, spending, and borrowing aimed at influencing a country's economy.

Comparative Advantage

The ability of a country, company, or individual to produce a good or service at a lower opportunity cost than competitors.

Proximity

The state of being close or near in space, time, or relationship.