Scientists have unsuccessfully attempted to drill into the interior of Earth to examine the different layers. If Scientists have been unable to directly examine the interior of Earth, what is the strongest evidence that there are different layers within Earth's interior?
Scientists have unsuccessfully attempted to drill into the interior of Earth to examine the different layers. If Scientists have been unable to directly examine the interior of Earth, what is the strongest evidence that there are different layers within Earth's interior?
the size of Earth's diameter
temperatures taken within each layer
analysis of earthquake wave data
rock samples taken from Earth's core