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Which layer of the Earth is primarily composed of iron and nickel? (2020)

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Question: Which layer of the Earth is primarily composed of iron and nickel? (2020)

Options:

  1. Crust
  2. Mantle
  3. Outer Core
  4. Inner Core

Correct Answer: Outer Core

Exam Year: 2020

Solution: 

The Outer Core is primarily composed of molten iron and nickel, which is responsible for Earth\'s magnetic field.

Which layer of the Earth is primarily composed of iron and nickel? (2020)

Practice Questions

Q1
Which layer of the Earth is primarily composed of iron and nickel? (2020)
  1. Crust
  2. Mantle
  3. Outer Core
  4. Inner Core

Questions & Step-by-Step Solutions

Which layer of the Earth is primarily composed of iron and nickel? (2020)
  • Step 1: Understand that the Earth has different layers.
  • Step 2: Identify the main layers of the Earth: crust, mantle, outer core, and inner core.
  • Step 3: Focus on the outer core layer.
  • Step 4: Learn that the outer core is made mostly of molten (liquid) iron and nickel.
  • Step 5: Remember that the outer core is important because it helps create Earth's magnetic field.
No concepts available.
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