I remember doing something like this at school. Isn’t it about how rocks form and then change into sand etc.? Maybe a geophysicist could answer this one !
I can only vaguely remember that from school – would have to ask professor google… :-D. Basically I think you just have to appreciate that the Earth isn’t static and that the land and sea and mountains and continents are all moving and changing all the time. Just really slowly.
I was going to say Hendrix – Springstein – Nirvana – Foo Fighters…and back to Hendrix again. But having seen other answers on here I feel I may be slightly incorrect.
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