WebThe core is extremely hot (~3500° to more than 6000°C). But despite the fact that the boundary between the inner and outer core is approximately as hot as the surface of the … WebA seismic shadow zone is an area of the Earth's surface where seismographs cannot detect direct P waves and/or S waves from an earthquake.This is due to liquid layers or …

What does outer core mean? - Definitions.net

WebThe outer core is in constant motion, due both to the Earth's rotation and to convection. Earth is made up of a solid inner core, a liquid outer core and a solid mantle. The … WebThe Earth's mantle, including the transition zone, consists primarily of peridotite, an ultramafic igneous rock . The mantle was divided into the upper mantle, transition zone, and lower mantle as a result of sudden seismic -velocity discontinuities at depths of 410 and 660 km (250 to 400 mi). system scalability requirements

Outer core definition and meaning Collins English Dictionary

Earth's outer core is a fluid layer about 2,260 km (1,400 mi) thick, composed of mostly iron and nickel that lies above Earth's solid inner core and below its mantle. The outer core begins approximately 2,889 km (1,795 mi) beneath Earth's surface at the core-mantle boundary and ends 5,150 km (3,200 mi) beneath Earth's surface at the inner core boundary. WebExpert Answer. Answer- Correct option is B. It result in earth magnetic field. There a …. What is the significance of convection in the outer core? It causes the tilt of the Earth O … system scaffold courses