Final answer:
The theory of plate tectonics explains the formation of Earth's main features through the movements of the lithosphere.
Step-by-step explanation:
The theory of plate tectonics explains the formation of some of Earth's main features through the movements of large pieces of the lithosphere. Mid-ocean ridges, deep-sea trenches, and mountain ranges all result from these movements. For example, mid-ocean ridges form when plates move apart, allowing magma to rise and create new oceanic crust. On the other hand, mountain ranges form when plates collide, causing compression and the uplift of crustal rocks.
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