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How do tectonic plates interact with each other?

Question:

How do tectonic plates interact with each other?

Why do tectonic plates move?

Tectonic plates make up the lithosphere which sits on top of the asthenosphere. Convection currents in the asthenosphere pull the tectonic plates and cause them to move.

Answer and Explanation:

Tectonic plates can interact with each other in three ways:

At convergent boundaries they collide with each other, with one moving below the other. Mountains and volcanoes are formed this way.

At divergent boundaries, tectonic plates move apart from each other creating trenches or ridges (like the Mid-Atlantic ridge).

At transform boundaries, tectonic plates slide against each other side to side and create fault lines where earthquakes occur.


Learn more about this topic:

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Causes of Tectonic Plate Movement

from CLEP Natural Sciences: Study Guide & Test Prep

Chapter 11 / Lesson 8
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