Select the letter from the diagram of Earth's interior that best matches each statement.
C layer through which S-waves do not travel
A layer above the Mohorovicic discontinuity (Moho)
D solid iron and nickel are the major elements in this layer
C Earth's magnetic field is generated here
B the thickness of this layer is approximately 3,000 km
A the lithosphere includes the mantle and this layer
D although extremely hot, high pressure keeps this layer from melting
B convection currents here drive plate tectonics
A fossils are found in this layer
B this layer includes the asthenosphere