Since the Early 1980s the Most Common First-Generation System in North

question 6

Short Answer

Since the early 1980s the most common first-generation system in North America has been the ________ developed by AT&T.

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Definitions:

Eastern Africa

A region of Africa that includes countries along the eastern coast of the continent, known for its diverse cultures, languages, and ecosystems.

Continental Rifting

The process by which a continent stretches and splits along a rift, often leading to the formation of new ocean basins.

Seafloor Spreading

A geological process in which new oceanic crust is formed at mid-ocean ridges and spreads outward, contributing to continental drift.

Mantle Upwelling

The ascent of hotter material from the Earth's mantle to the crust, a process that can lead to volcanic activity and continental rift zones.