"...they wouldn't have survived a supposed worldwide flood, and months of soaking.
janusfulcrum, not to forget though, that those woods were pressure treated, with ~ 6000 meters of water above them, to submerge Mt. Everest.
The woods before the flood were special, evidently. They must have had extraordinary tensile strength, close to Aluminium, self adhesive to stick together and easy to work with like balsa. These are thorny questions, the methuselah age, dates, dating clearly not a biblical, or wt forte.