Plate Tectonics Evidence
This was a theory that explained how continents shift position on Earth's surface. This was set forth in 1912 by Alfred Wegner. A geophysicist and meteorologist continental Drift also explained why look-alike animal and plant fossils and similar rock formations are found on different continents.
The theory of earths outer shell it divides into several plates that glide over a mantle. Rocky inner layer above the core explaining the structure of earths crust. Many associated phenomena as resulting from the infection of rigid litosphere plates that move very slowly over the underying mantle.
Sea Floor Spreading
The process occur at mid ocean ridges. New oceanic crust is also formed through volcanic activity. Then moves away from the ridge earthquake and volcano mapping for more hazard may be defined as the possibility for harm. Formation of new areas of oceanic crust which occurs through the the upwelling of magma.