2, the upper mantle and the lower mantle
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The mantle is typically divided into two parts: the upper mantle and the lower mantle. The upper mantle sits beneath the Earth's crust and extends to a depth of about 410 kilometers, while the lower mantle extends from 410 to 2,890 kilometers below the Earth's surface.
The two main parts of the mantle are the upper mantle and the lower mantle. The upper mantle is closer to the Earth's crust and is more rigid, while the lower mantle is closer to the core and is more fluid-like.
The hottest parts of the mantle are typically found near the earth's core, while the coolest parts are closer to the earth's crust. Temperature variations in the mantle are influenced by factors such as convection currents and radioactive decay.
The mantle has two parts: the upper mantle, which is directly below the Earth's crust and makes up about 15% of the Earth's volume, and the lower mantle, which extends from the top of the lower mantle to the outer core. The mantle is mainly composed of solid rock, but it can deform and flow slowly over long periods of time.
The two main parts of the Earth's mantle are the upper mantle and the lower mantle. The upper mantle sits below the Earth's crust and extends to a depth of about 410 miles, while the lower mantle extends from about 410 miles to 1,800 miles depth.
The lithosphere consists of the crust (both continental and oceanic) and the uppermost part of the mantle. These two parts are rigid and brittle, forming the outer shell of the Earth.