Question

Nimrat told her friend that today at school her teacher told them that the earth's crust is made up of many types of elements. On this basis, the Earth is divided into three layers. Can you tell what elements are found in the top layer of the earth which is called SIAL?​

Answer 1

Answer:

see, Earth's crust is made up of several elements: oxygen, 46.6 percent by weight; silicon, 27.7 percent; aluminum, 8.1 percent; iron, 5 percent; calcium, 3.6 percent; sodium, 2.8 percent, potassium, 2.6 percent, and magnesium, 2.1 percent.The crust is made up of different types of rocks: igneous, metamorphic, and sedimentary rocks

can you please mark this as brainliest

Answer 2

Concept Introduction:-

The covering of an Earth is the extreme coating of the planet.

Explanation:-

A question has been provided to us

We need to find the solution to the question

The outer or upper layer of the earth's crust is mostly found under the continent. Silica and aluminum are abundantly found in this layer therefore it is popularly known as SIAL. The average density of the layer is $2.75$ to $2.90$ and the average thickness is $8$ to $100$ km.

Final Answer:-

The correct answer is SIAL is made up of Silica and aluminum.

#SPJ3