Geography · Geochemistry and Planetary Differentiation
Consider the following statements regarding Earth's internal structure and planetary geochemical differentiation: A. Differentiation resulted in the segregation of elements based on density and chemical affinity. B. Lithophile elements are concentrated predominantly within the metallic core of the Earth. C. Siderophile elements preferentially dissolve in molten iron during core-mantle separation. D. Continental crust contains a higher concentration of incompatible radioactive elements compared to oceanic crust. Which of the statements given above are correct?
- 1A, B, C and D
- 2B and D only
- 3A, C and D only✓
- 4A, B and C only
Correct answer
A, C and D only
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