PostmodernProph
....fully immersed....
What about something like a flounder, crab or catfish that lives on the bottom?
Add 20,000 feet of water on top of them and they would not survive
why do you need 20k feet of water?.....
To cover the earth in water
do you need to account for those strong enough to swim to the Himalyas or could He just stop when the last one drowned?.......