The Circulation of the Mantle Is Driven by Which of the Following

question 42

Multiple Choice

The circulation of the mantle is driven by which of the following?

• A) heat from the upper lithosphere
• B) cooling in the lower mantle
• C) radioactive decay of unstable isotopes
• D) reversal of magnetic polarity

---

Definitions:

Rent Seeking

The practice of gaining economic benefits through manipulation or exploitation of the political environment, often by influencing regulations or policies to obtain monopolies or other competitive advantages.

Private Sector

The part of the economy that is owned and operated by individuals and companies for profit, rather than by the government.

Wealth Creation

The process of generating a net increase in economic resources from various activities, such as investment or entrepreneurship.

Operational Efficiency

The capability of an organization to deliver products or services to its customers in the most cost-effective manner without sacrificing quality.