Scientific validity is the applicability of a conclusion drawn in the context of a scientific experiment to the world at large.
There's a group on each side so there's equal pull on both sides so it doesn't move
Hello! :)
The eroded material finds its way to the bottom of oceans because of gravity (from... According to the hypsometric curve (plot between elevation and % of earth's surface), only about 29% of Earth's surface is above the mean sea level, rest 71% has an elevation less than mean sea level.
Hope this helped and I hope I answered in time!
~ Destiny ^_^