Cappytan,
The simplest solution to dealing with the above critique is to look around in genuine museum collections or check out the terrain of some geophysically active regions of the Earth. In the United States, the Pacific NW is littered with the actions of volcanoes and floods - but not the Big One. Ditto the Grand Canyon. To my knowledge, there are no Noachian flood epochs discussed in geophysical conferences except in one context: Mars. And that is because the notion is an appropriate metaphor for what is observed in Mars terrains due to melts of ice generally more than a hundred million years ago, if not a billion. Ice age melting would be somewhat akin to "Noachian" flood, but these are localized events based on the accumulation of glaciers and lakes behind natural dams... And there is no evidence of communities with written records of the Ice Age thaws.
Something else seems to be at work here. But attempting to reason away the existence of Egyptian civilization prior to 2400 BC is simply sophistry. The next day if it suits the spokespeople, they will invoke the same to support another Bethel point.
The guidebook of the British Musuem to Ancient Egypt, illustrated by its copious collection of artifacts pre and post such a would be flood gives passing mention Manetho, sure. But for the most part their historical records have been obtained from the stone-engraved accounts of the monarchs, scribes and noblemen themselves. Manetho was used as a guidebook obtained from the classical antiquity in the absence of translations of ancient Egyptians.
The Bible in this case mentions names of Pharoahs less than the number of fingers on a hand and in a rather incriminating way if we are wondering about its historicity. Shoshenq's name is garbled. Pi Rameses is already built before the Exodus was undertaken and Neco II the second is attributed with defeating Josiah - in the late 7th century BC. So where was everybody else? Either they were lost in time or the writers never knew, just like it does not mention any pyramids.
The Rosetta Stone was the key to translating Egyptian - and its closest linguistic analog is Coptic. The hieroglyphics date back to 3000 BC. But according to the Guidebook mentioned above:
"Our ability to place features of Egyptian history in their correct relative place depends in part on exact modern dating techniques such as
Carbon 14 testing on organic material, and
thermoluminescence , for dating pottery and in part
on ancient Egyptian texts relating to dates and measurement of time.
Systematic astronomical charts first attested on coffin lids in the first intermediate period, about 2100 BC, [give] the names of decan stars that rose every ten days at the same time as the sun...."
Suffice to say that there are several independent methods of determining the existence of an Egyptian civilization prior to 2370 BC. The JW retort on this question assumes that the reader will not look into the matter at any length.
Note also that Egyptian sources are written in stone or clay. So are Mesopotamian ones. The written artifacts from the same Bronze age period obtained from the Canaan, United Kingdom, Judea or Israel or few and far between. Taking the Exodus and Joshua books sequence of events according to the chronology appearing in the Appendix of the NWT (1984) would have Israel arriving in Canaan while it was still an Egyptian territory ruled as a protectorate. Its a couple of centuries off - if the events occurred that way at all. Check out the correspondence in the Amarna archives, if you want to see what I mean. There is also the battle of Megiddo of circa 1450 BC ( some reckonings in the 1480s - but not the gross uncertainties JW spokespeople imply) Admittedly Thutmose tried to put a spin on this one, but note the location. He wasn't doing battle with Joshua, but Canaanitesin rebellion, supported by Syrians, the king of Kadesh. The battle is recorded in several sources, from first hand accounts, including the temple walls at Karnak.
But I am digressing. Let's talk more about floods.
The most ancient direct accounts of an ancient flood and response with an Ark comes not from Israel or Egypt, but from Mesopotamia. And one of the most recent detailed discussions of this is "The Ark before Noah" by Irving Finkel. Mr. Finkel is an Assyrianologist who has spent his career at the British Museum translating Mesopotamian clay tablets, the curator in charge of cuneiform inscriptions. You should check out the account that he recently published from a cylinder disk dating from between 1900-1600 BC. Not necessarily the oldest account of the story, but certainly the most technically detailed. Significantly the animals collected for this round reed-constructed ark "two by two the boat did enter". While there are values and insights added in the Biblical account, one would have to conclude that the Noah story itself is derivative of this one.
I've got to go.
Kepler