Oceanic Lithosphere Thickens as It Moves Away from Mid-Ocean Ridges

question 24

Multiple Choice

Oceanic lithosphere thickens as it moves away from mid-ocean ridges primarily because of

• A) the addition of new crust due to hot-spot volcanism.
• B) the addition of new crust due to sedimentation.
• C) the addition of new lithospheric mantle as a result of cooling.
• D) reasons that geologists cannot determine at present.

---

Definitions:

Output

The total amount of goods and services produced by an economy over a specific period.

Graph

A visual representation of data designed to show the relationship between two or more variables in a clear and concise way.

Perfect Competition

A market structure characterized by a complete absence of rivalry among the producers, with many buyers and sellers, each of whom has a negligible impact on the market.

Identical Service

A service that is exactly the same in every feature and aspect when compared to another service.