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Give long answers for the following questions 1 What do you know about the structure of the eartha?2 What are the main features of the mantle and the core?* What are the main characteristics of sedimentary rocks?4. Explain the working of the rock cycle. |
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Answer» tion:1)The structure of the earth is divided into four major components: the crust, the mantle, the outer core, and the inner core. Each layer has a unique CHEMICAL composition, physical STATE, and can impact LIFE on Earth's surface. 2)THE MANTLE IS ONE OF THE THREE MAIN LAYERS OF THE EARTH.IT LIES BETWEEN THE INNERMOST LAYER, THE CORE AND THE THIN OUTERMOST LAYER , CRUST. THE MANTLE CONSISTS OF HOT,DENSE SEMISOLID ROCK AND IS ABOUT 2,900 KILOMETERS(1,800 MILES) THICK. MOVEMENT IN MANTLE CAUSES VOLCANIC ERUPTIONS AND EARTHQUAKES. 4) The rock cycle is a process in which rocks are continuously transformed between the three rock types igneous, sedimentary and metamorphic. ... If the sediments are buried under further layers of sediment, they can become lithified to produce a sedimentary rock. MAGMA is produced when rocks are melted. |
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