The thickest layer of the Earth is the mantleIf considering the core as two parts (Inner and Outer Core), then the mantle is the thickest single layer, located between the crust and the outer core. solid. pressure of the core is very high. What is the thickest layer of the Earth? 1 See answer mercyrecto46 is waiting for your help. The mantle is the largest layer of the Earth, 1800 miles thick. The crust is the thinnest of the four layers on Earth, and is only 1 percent of the whole Earth. How many layers does the Earth have? The upper mantle, along with the crust, makes up the lithosphere of earth, which is physically distinct from the layers lying below due to its low temperature high thickness. 30 seconds . the inner core. The outer core is composed of iron and nickel and is completely liquid magma as there is little to no pressure in this section of the earth. 30 seconds . It starts a mere 30 kilometers (18.6 miles) beneath the surface. the outer core. The crust is an outer solid layer and this is where all life exists on the earth’s surface, including us, animals, mountains, sea, and soil. Tags: Question 2 . Layers of Earth. liquid. the density increases the deeper you go into the Earth's layers. It lies between Earth's dense, super-heated core and its thin outer layer, the crust. Made mostly of iron, magnesium and silicon, it is dense, hot and semi-solid (think caramel candy). What is the largest/thickest layer of Earth? The mantle can be described as an underground ocean of liquid rock! SURVEY . gas. Tags: Question 3 . It is the innermost layer of the Earth 4. The second layer of the Earth is the mantle. The portion of the earth's crust that primarily contains granite, is less dense than oceanic crust, and is 20-50 km thick Continental crust vs. oceanic crust Layers that are less dense, such as the crust, float on layers that are denser, such as the mantle. answer choices . bulataoo bulataoo 1.Crust. 2.mantle. The crust’s thickness ranges in measurement from only 5 to 70 km thick, depending on location. In 1692, Edmond Halley put forth the idea of a hollow Earth consisting of a shell about 500 miles (800 km) thick, two inner concentric shells and an innermost core. It is the largest and thickest layer of earth. What is the relationship between density and depth of material below Earth's surface? Q. crust. The mantle is composed of very hot, dense rock. What describes the outer core? At close to 3,000 kilometers (1,865 miles) thick, this is Earth’s thickest layer. The outer core is half of the earth's third and last layer, the core. 3.inner core. The thickest layer of the earth 3. SURVEY . Add your answer and earn points. viscous. Human life all exists on the crust of the Earth, as does the rest of known organic life. Like the layer below it, … This layer of rock even flows like asphalt under a heavy weight. 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