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Examine the diagram above and answer each of the following questions - Leaving Cert Geography - Question 2A - 2018

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Question 2A

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Examine the diagram above and answer each of the following questions. (i) Name each of the layers of the earth labelled A, B and C. (ii) Name the two main minerals... show full transcript

Worked Solution & Example Answer:Examine the diagram above and answer each of the following questions - Leaving Cert Geography - Question 2A - 2018

Step 1

Name each of the layers of the earth labelled A, B and C.

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Answer

A = Asthenosphere B = Lithosphere C = Mantle

Step 2

Name the two main minerals found in the core.

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Answer

The two main minerals found in the core are Iron and Nickel.

Step 3

What is the name given to the boundary between the crust and the mantle?

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Answer

The boundary between the crust and the mantle is called the Moho discontinuity.

Step 4

Explain briefly how plates move.

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Answer

Plates move due to the convection currents in the mantle. The heat from the Earth's core causes the mantle to circulate, which in turn pushes the tectonic plates that make up the Earth's surface. This movement can lead to various geological events such as earthquakes and volcanic activity.

Step 5

Explain briefly what is meant by endogenic forces.

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Answer

Endogenic forces are internal processes that occur within the Earth. They are responsible for building up landforms through activities such as volcanic eruptions, earthquakes, and the movement of tectonic plates. These forces contribute to phenomena like mountain formation and island creation.

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