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No. The crust is the least dense of Earth's layers. The inner core is the densest player.
Oceanic Crust
I believe this would be the oceanic crust
the layers of the earth is crust (oceanic and continental), mantle and core (outer and inner)
The layers of Earth's crust that consist mostly of igneous material are the uppermost layer, the oceanic crust, and the lowermost layer, the lower continental crust and lithospheric mantle. These layers are primarily composed of igneous rocks formed from the cooling and solidification of molten rock.
The crust alone contains millions of different layers of sedimentary rock. For the layers of the Earth, some of which are rock and some of which are not, see the related link below.
the lithosphere, the asthenosphere, the mesosphere, the oceanic crust and the continental crust.
Oceanic crust
The outer layers, the continental and oceanic crust.
The Earth's crust consists of two main sub-layers: the continental crust and the oceanic crust. The continental crust is thicker, primarily composed of granitic rocks, and forms the continents. In contrast, the oceanic crust is thinner, predominantly made up of basaltic rocks, and underlies the ocean basins. These sub-layers differ in composition, thickness, and density.
The two layers of the lithosphere is made up of the oceanic lithosphere and continental lithosphere. The oceanic lithosphere is associated with oceanic crust and the ocean basins. The continental lithosphere is associated with the continental crust.
The 2 layers of the continental crust are oceanic crust and the land crust