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Questions and Answers
What resulted in the formation of three subterranean sections on early Earth?
What resulted in the formation of three subterranean sections on early Earth?
- Melting of iron and nickel
- Extraction of heavy metals
- Uniform composition and density
- Chemical differentiation (correct)
How did the formation of the Earth's layers occur?
How did the formation of the Earth's layers occur?
- Melting point of iron and nickel was reached, causing them to settle to Earth’s center
- Denser iron and nickel settled to the center while lighter silicates formed the mantle and crust (correct)
- Heavy metals were extracted from the Earth's interior and concentrated in the developing crust
- The ascending molten masses led to the formation of different layers
What contributed to the concentration of heavy metals in the developing crust?
What contributed to the concentration of heavy metals in the developing crust?
- Ascending molten masses (correct)
- Chemical differentiation
- Uniform composition and density
- Formation of three subterranean sections
What characterized the early Earth's composition and density?
What characterized the early Earth's composition and density?
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"The thin primitive crust and the largest layer on Earth, called the mantle, is located between which layers?"
"The thin primitive crust and the largest layer on Earth, called the mantle, is located between which layers?"
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