Final Answer: A. Geosphere
Explanation/Reasons:
Question: What system includes the core, mantle, and crust of the Earth?
Hey there! The correct answer would be A. Geosphere. The geosphere is a system in an area that includes the core, the mantle, and the crust. It is strictly oriented and formed by non-organic matter. The geosphere is one of the small numbers of areas of our planet.
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