What is the primary gas found in the Earth's core? MCQ with Answer and Explanation

What is the primary gas found in the Earth's core?
A. Hydrogen
B. Carbon Dioxide
C. Iron and Nickel (liquid/solid metals, not gas)
D. Oxygen
Answer: Option C
Solution (By JKExamLibrary)
The Earth's core is primarily composed of iron and nickel, not gas.

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