2-1 Origin of the Earth^LJ Ocean^LJ and Atmosphere - 副本.pdf
1-2 Oceans and Features on Ocean Floor.pdf
2-2 Whole Earth and Geologic Sturctures - 副本.pdf
1-3 Methods to study the Ocean.pdf
3-2 Geological cycles and Energy Sources - 副本.pdf
3-1 Geologic Time ^L0 Dating.pdf
5a Volcanic eruptions hazards.pdf
7-8 hydrothermal process^Mmarine resources - 副本.pdf