LOL....
The 'earth' is not-'round' but is more rotund about it's waist [equator]
The alps and mountains of this planet were once upon a time very modest
[100's of feet above sea-level]
Anyone who did not live high in the mountains, would have had-to RUN very fast
Global warming, is cyclical
Between the ice ages, there IS more water, on the planet surface
Apparently, only the landmass of Greenland /Iceland contain ORIGINAL ROCK
[from the days when the earth first formed]
All other landmasses, have been reworked [repeatedly] by geological processes
including have shared 'time' on the seabed of one ocean /sea or, another
and, even several
The large number of cities, now on the seabed, in various parts of the world
are testament to inundation [flooding]
by rising sea levels /of land sinking, while other areas became uplifted
Groundwater - Wikipedia, the free encyclopedia
Groundwater
Science Serving People
https://litigation-essentials.lexisnexis.com/webcd/app?action=DocumentDisplay&crawlid=1&doctype=cite&docid=14+Hastings+W.-N.W.+J.+Env.+L.+%26+Pol'y+1213&srctype=smi&srcid=3B15&key=1cf1dfac03b117aac0722246639a4d7f
Yes, there are a very-many, very-interesting opinions in this thread
I have added some links to source material/information
dave