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7 Μαρ 2024 · That is because its outer surface is composed of about 20 tectonic plates, enormous sections of Earth’s crust that roughly fit together and meet at places called plate boundaries. Plate boundaries are important because they are often associated with earthquakes and volcanoes .
In a simplified plate tectonic model, plate interaction can be placed in one of three categories. In places where plates move toward each other, the boundary is known as convergent. In places where plates move apart, the boundary is known as divergent.
Describe how the ideas behind plate tectonics started with Alfred Wegener’s hypothesis of continental drift. Describe the physical and chemical layers of the Earth and how they affect plate movement. Explain how movement at the three types of plate boundaries causes earthquakes, volcanoes, and mountain building.
Plate Boundaries. Plates interact at their boundaries in one of three ways: plates are moving away from each other (divergent), plates are moving towards each other (convergent), or plates are sliding past each other side by side (transform). Plates move along the lithosphere-asthenosphere boundary and because the asthenosphere is relatively ...
10 Φεβ 2024 · The edges where tectonic plates meet are known as plate boundaries. There are three main types: Convergent Boundaries (Destructive Boundaries or Active Margins): Here, plates move towards each other. Where they meet, they form either a continental collision or else a subduction zone where one plate moves under the other.
Identify types of plate boundaries and compare their characteristic earthquake and volcanic activities; Assess the basic lines of evidence supporting plate tectonics; Explain how ancient plate boundaries affect modern topography
