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Guide Questions: 1. What are the layers of the Earth? 2. Describe the following: a. Crust Continental crust Oceanic crust b. Mantle Outer Mantle Inner Mantle c. Core Outer Core,inner core​

Sagot :

Nelymiidn

Answer:

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

Explanation:

a. Continental crust is mostly composed of different types of granites. Geologists often refer to the rocks of the continental crust  Sial stands for silicate and aluminum, the most abundant minerals in continental crust.

*. oceanic crust, the outermost layer of Earth's lithosphere that is found under the oceans and formed at spreading centres on oceanic ridges, which occur at divergent plate boundaries. Oceanic crust is about 6 km (4 miles) thick. It is composed of several layers, not including the overlying sediment.

4.