Niche Social Networking Sites

question 71

Multiple Choice

Niche social networking sites:

• A)focus on a specific interest, hobby, or demographic group.
• B)are broadly based and are designed to appeal to all demographics.
• C)focus on developing business relationships.
• D)allow individuals to share bookmarks of websites.

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Definitions:

Asthenosphere

The highly viscous, mechanically weak, and ductilely-deforming region of the upper mantle of the Earth, which lies just below the lithosphere.

Plate Boundary

The region where two tectonic plates meet, which can be characterized by seismic activity, mountain building, and volcanic eruptions.

Divergent Plate Boundary

A boundary where tectonic plates are moving away from each other, often resulting in the creation of new crust as magma rises and solidifies.

Oceanic Crust

The part of Earth's lithosphere that underlies the ocean basins, composed primarily of basalt and gabbro.