Crack the Earth Code!” 🌎

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Across
  1. 3. The liquid part of the core.
  2. 5. The central region of Earth, composed mainly of iron and nickel
Down
  1. 1. The thickest major compositional layer of the Earth.
  2. 2. The solid central part of the Earth.
  3. 4. The thin, outermost solid layer of the Earth.