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Question
Fill in the blanks
The interior layer is the core, which is made up mainly of iron and nickel, and is called ______.
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Solution
The interior layer is the core, which is made up mainly of iron and nickel, and is called Nife.
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| D. | Gneiss | 4. | Sedimentary rock |
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| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
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