The Matuyama-Brunhes Magnetic Reversal (When the World's Magnetic Field Suddenly

question 22

Multiple Choice

The Matuyama-Brunhes magnetic reversal (when the world's magnetic field suddenly reversed) is a key stratigraphic marker. It can be identified both in sea cores and in volcanic strata ashore, where it can be dated precisely with potassium-argon samples. The Matuyama-Brunhes event occurred about

• A) 25,000 years ago.
• B) 15,000 years ago.
• C) 780,000 years ago.
• D) 425,000 years ago.

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Definitions:

Managerial Subsystem

A component of an organization that focuses on administrative and decision-making functions, essential for directing the organization towards its goals.

Traditional Organizational Theory

An approach to organizational management that emphasizes hierarchy, fixed duties, and a top-down flow of information and orders.

Delegated Authority

The transfer of authority from one individual to another, enabling the latter to make decisions within certain boundaries.

Boundary-Spanning Job

A boundary-spanning job involves roles that require an individual to maintain relationships, communication, and coordination between their organization and its external environment or different internal groups.