'These waves, which may be "body" or "surface" waves, provide much of our evidence about the Earth's interior'
seismic waves
THE REAL MIDDLE EARTH: These waves, which may be body or surface waves, provide much of our evidence about the Earths interior
These waves, which may be "body" or "surface" waves, provide much of our evidence about the Earth's interior
These waves, which may be "body" or "surface" waves, provide much of our evidence about the Earth's interior
THE REAL MIDDLE EARTH
seismic waves
THE REAL MIDDLE EARTH