Answer:
The three layers of Earth contribute to the uniqueness of this planet. The crust, mantle, and
core are all distinctive, varying in composition, temperature, pressure, and state of matter.
From a solid metal center, surrounded by a liquid core, to a sea of soft putty-like rock mantle,
topped with a solid, rock crust, there is no planet like Earth in the entire solar system.
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Step-by-step explanation: