Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
A
Hi, how are you, feeling good
?
the mantle and core are composed of different material
P waves refract as they travel through Earth. The shadow zone exists because of seismic waves. The shadows show when the earth spins around.