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Questions and Answers
What is the main driving force behind plate tectonics?
What is the main driving force behind plate tectonics?
- Asthenospheric thermal convection (correct)
- Seismic activity
- Mantle plumes
- Core composition
What are the main components of the Earth's mantle?
What are the main components of the Earth's mantle?
- Aluminum and silicon
- Calcium carbonate
- Sodium chloride
- Iron and magnesium silicate minerals (correct)
Which layer of the Earth is primarily composed of low-density silicate minerals?
Which layer of the Earth is primarily composed of low-density silicate minerals?
- Mantle
- Inner core
- Crust (correct)
- Outer core
What is the evidence for plate tectonics?
What is the evidence for plate tectonics?
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How are mantle plumes, hotspots, sea-mounts, and table-mounts related to plate tectonics?
How are mantle plumes, hotspots, sea-mounts, and table-mounts related to plate tectonics?
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