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What is the primary composition of the Earth's outer core? (2022)

Practice Questions

Q1
What is the primary composition of the Earth's outer core? (2022)
  1. Solid rock
  2. Liquid iron and nickel
  3. Silicate minerals
  4. Granite

Questions & Step-by-Step Solutions

What is the primary composition of the Earth's outer core? (2022)
  • Step 1: Understand that the Earth has different layers: crust, mantle, outer core, and inner core.
  • Step 2: Focus on the outer core, which is located beneath the mantle and above the inner core.
  • Step 3: Learn that the outer core is not solid; it is in a liquid state.
  • Step 4: Identify the main elements that make up the outer core: iron and nickel.
  • Step 5: Recognize that the movement of liquid iron and nickel in the outer core is important for creating the Earth's magnetic field.
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