What is the composition of the internal structure of tlie earth?

1.	What is the composition of the internal structure of tlie earth?
Answer» The presence of many substances is found in the internal structure of the earth. The three layers found in the earth are made up of a mixture of different substances. The formation of igneous rocks under the sea bottom is found in the construction of the upper layer (crust) of the Earth. In the continental plane, igneous and metamorphic rocks are found. They mainly have the prominence of silica and aluminum. Also, acidic substances are found more. The layer of silica and magnesium substances is there in the lower layer of the crust,called sima in the intermediate section. In this, the alkaline substances are primarily found. The primacy of nickel and iron is mainly found in the inner most layers of the earth.

Answer»

The presence of many substances is found in the internal structure of the earth. The three layers found in the earth are made up of a mixture of different substances. The formation of igneous rocks under the sea bottom is found in the construction of the upper layer (crust) of the Earth. In the continental plane, igneous and metamorphic rocks are found.

They mainly have the prominence of silica and aluminum. Also, acidic substances are found more. The layer of silica and magnesium substances is there in the lower layer of the crust,called sima in the intermediate section. In this, the alkaline substances are primarily found. The primacy of nickel and iron is mainly found in the inner most layers of the earth.

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