WebMar 5, 2024 · Mollusks have a hard outer shell. There is a layer of tissue called the mantle between the shell and the body. Most mollusks have tentacles for feeding and sensing, and many have a muscular foot. … WebFeb 14, 2024 · Mesosphere (or Lower Mantle) This region is a rigid layer between the depths of about 400 to 1800 miles (650 km and 2900 km), but the rocks at these depths are very hot and capable of gradual flow. Heat from the core drives mantle gravitational convection. Earth's Core
Layers of the Earth - Upper and Lower Mantle Earth Crust
WebMantle. The mantle is the thickest layer of the earth. It's almost 3000 km. thick. It's made of very hot and dense silicate rock which is made of magnesium and iron. Outer Core. The outer core is made of liquid iron and nickel. The temperature in this layer can reach 5000 Centigrade. The outer core creates what is called the magnetic field. WebMay 10, 2024 · The upper mantle is the section of the Earth's interior that begins below the crust and ends above the transition zone. The upper mantle boundary starts directly … ipda algorithm
Upper Mantle Temperature and Facts - Study.com
WebMantle convection is the main way heat from Earth’s interior is transported to its surface, and this heat escapes principally through mid-ocean ridges. In fact, the connected mid-ocean ridge system is in essence a 80,000 km long volcano. Escaping heat along these ridges causes hot water to circulate through the crust in a “hydrothermal ... WebDescribe each and differenciate its sublayers. The three (3) main layers are: core, mantle and crust. Each layers are divided into two (2) parts: inner core and outer core, upper and lower mantle and the continental and oceanic crust. Question : What are the three layers of Earth? Describe each and differenciate its sublayers Answer : Crust ... WebThe outer core is the only entirely liquid layer within the Earth. It starts at a depth of 2,890 km and extends to 5,150 km, making it about 2,300 km thick. In 1936, the Danish geophysicist Inge Lehmann analyzed seismic data … open university of tz