Theories of Continental drift

Question 1

Structure of the Earth

Answer 1

• core (inner and outer)
• mantle (lithosphere and asthenosphere)
• crust (oceanic and continental)

Question 2

Asthenosphere

Answer 2

• in the mantle
• semi molten
• 100km to 300km
• convection currents occur
• moves the crust
• below the lithosphere
• mostly magnesium and iron