WebAug 9, 2024 · The outer core of the Earth is similar to a very hot ball of metals, whose temperature is around 4000 oF to 90000F. It is so hot that the metals inside are all liquid. … WebEarth's major plates, which are: ... Earth's outer core is a fluid layer about 2,400 km (1,500 mi) thick and composed of mostly iron and nickel that lies above Earth's solid inner core …
3.1 Earth’s Layers: Crust, Mantle, and Core
WebMar 24, 2024 · Exosphere. This is the outermost layer of the atmosphere. It extends from about 375 miles (600 km) to 6,200 miles (10,000 km) above the earth. In this layer, … WebWhen defining the solid Earth's layers by their physical properties, the two outermost layers are the: a. the inner core & outer core b. D layer and Upper mantle c. mantle and crust d. asthenosphere and lithosphere. d. asthenosphere and lithosphere. j crow lugol\\u0027s iodine 5%
Layers of Earth
The crust of the Earth is the area that is arguably best known by scientists, and certainly the one the general public is the most familiar with, as it is where we live. Human life all exists on the crust of the Earth, as does the rest of known organic life. The crust is the thinnest of the four layers on Earth, and is only 1 … See more The mantle makes up 84 percent of the Earth’s volume, and consists of both solid and molten rock known as magma. When the Earth was young, the majority of the mantle would have been viscous melted rock, but this has … See more Below the mantle lies the layer known as the Outer Core. This is a thick layer - some 2,200 km (1367 miles) thick - that consists of liquid iron and nickel. In order for the nickel and iron to be in liquid form, the core must sustain … See more At the very centre of the Earth is what is known as the Inner Core. Protected by the liquid outer core, mantle, and crust, the inner core is a hot … See more WebOct 8, 2009 · The oceans are mostly composed of warm salty water near the surface over cold, less salty water in the ocean depths. These two regions don't mix except in certain special areas. The ocean currents, the movement of the ocean in the surface layer, are driven mostly by the wind. In certain areas near the polar oceans, the colder surface … WebFeb 24, 2024 · A pair of seismologists documented new evidence of a fifth layer: a 400-mile-thick solid metallic ball at the center of Earth’s inner core — like the smallest figurine of a … j crow lugol\u0027s iodine