Earth Processes Summative Review 2024

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What is the location of the newest oceanic crust?

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The newest oceanic crust is located at mid-ocean ridges.

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What is the location of the oldest oceanic crust?

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The oldest oceanic crust is found at subduction zones, where it is being recycled into the mantle.

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Who proposed the theory of continental drift?

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Alfred Wegener, a German scientist.

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What evidence did Wegener lack to support his theory of continental drift?

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Wegener did not have evidence of a force that could move continents.

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What geological process leads to the formation of volcanoes?

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Volcanoes are formed when tectonic plates converge, creating a subduction zone.

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What is sea-floor spreading?

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Sea-floor spreading is the process by which new oceanic crust is created at mid-ocean ridges as tectonic plates pull apart.

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What are tectonic plates?

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Tectonic plates are large sections of the Earth's lithosphere that move and interact with each other.

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What is a subduction zone?

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A subduction zone is an area where one tectonic plate is being forced under another.

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What role do tectonic plates play in earthquakes?

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Earthquakes occur when stress builds up along fault lines between tectonic plates and is suddenly released.

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What is the significance of Alfred Wegener's work in geology?

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Wegener's work laid the foundation for the modern theory of plate tectonics.

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