Earth's Layers
Give another name for P-waves.
What is compressional waves?
The effect volcanoes have on Earth.
What are pyroclastic flows and lahars?
Name three pieces of evidence supporting the idea of continental drift.
Identical fossils in Africa and S. America, similar rock beds on Africa and S. America, coal beds in Antarctica, glacial rocks in Africa.
and 794 miles? (Inner core)
Describe uniformitarianism.
The laws of nature have always been the same, natural processes have happened at the same rate, we should explain the data using processes we know now.
The densities of continental crust and oceanic crust.
What is 2.7 g/cm3 and 3.3 g/cm3?