What is the approximate thickness of the Earth's crust? (2021)

Practice Questions

Q1
What is the approximate thickness of the Earth's crust? (2021)
  1. 5-10 km
  2. 30-50 km
  3. 70-100 km
  4. 100-150 km

Questions & Step-by-Step Solutions

What is the approximate thickness of the Earth's crust? (2021)
  • Step 1: Understand that the Earth has different layers, including the crust, mantle, and core.
  • Step 2: Know that the crust is the outermost layer of the Earth.
  • Step 3: Recognize that the thickness of the crust is not the same everywhere.
  • Step 4: Learn that under continents, the crust is thicker, averaging about 30-50 kilometers.
  • Step 5: Understand that under oceans, the crust is thinner, averaging about 5-10 kilometers.
  • Step 6: Conclude that the Earth's crust varies in thickness depending on whether it is under land or water.
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