0.3 Answer the following questions in one sentence cash;
(1) What is called lower layer of the crust?
(2) Out of which layer of the crust are the continents formed
C) Out of which layer of the crust is most of the oceanic base formed?
(4) What compounds does the mantle consists of ?
(5) In which of the layers of the interior of the earth is magma formed?
Ans.
(6) What are the two parts of the core?
Answers
Answer:
The Earth is composed of four different layers. Many geologists believe that as the Earth cooled the heavier, denser materials sank to the center and the lighter materials rose to the top. Because of this, the crust is made of the lightest materials (rock- basalts and granites) and the core consists of heavy metals (nickel and iron).
The crust is the layer that you live on, and it is the most widely studied and understood. The mantle is much hotter and has the ability to flow. The Outer and Inner Cores are hotter still with pressures so great that you would be squeezed into a ball smaller than a marble if you were able to go to thecenter of the Earth!!!!!!
6. the core is made up of two layers: the outer core which borders the mental, and the inner core. the boundary separating this regions is called the Bullen discontinuity. the outer core, about 2200 kilometres (1367 miles) thick, is mostly composed of liquid iron and nickel.
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