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3 Cards in this Set

  • Front
  • Back
What is geology?
Geology is the study of Earth.
List the 3 "spheres."
Lithosphere
Atmosphere
Hydrosphere
Describe the Crust.
Temp.: Cool at the top, about 870 degrees C at the bottom.
Materials: Solid rock.
Thickness: 5-70 km.
1st layer