You haven't presented any science that refutes the biblical flood story.
Children's books don't contain stories of massive death such as the flood story.
Well, to "refute" the story with some science, here we go.
1) To take two of every animal on board an ark requires a lot of effort. Well, actually a little more complicated
"You shall take with you seven each of every clean animal, a male and his female; two each of animals that
are unclean, a male and his female;"
Seven animals, a male and his female.... and one left over? Anyway, not really important here.
How did they classify animals? For example dogs, did they put two dogs on board, or did they put two dogs of every type of dog on board?
How did they feed the animals? Some of these animals are CARNIVORES which means that they need to eat other animals. Did they put two of every animal and then let the lions eat some of those species to extinction?
How did they cope with the fish? Fish are animals. What would be the point? Also said take two of every bird. How did Noah go around collecting the birds and what did he feed them with?
1,180 bird species right now.
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So, he'd have to have gone out there and caught bird species in the Amazon area, in Africa, in Asia, in Australasia. How did Noah get out there and capture this many bird species?
How did he get all the land animals? All the insects?
How many species do we share our planet with? How many of these species have we found and identified?
ourworldindata.org
2.16 million species, he put at least 2 of every species, that's 4.32 million creatures on board. All of them needing to eat for 40 days and 40 nights. Then, after the flood receded, what happened to all the edible food?
How long would he have needed to keep these animals alive for before there was enough food for them to all eat after the flood?
I mean, this task would be nigh on IMPOSSIBLE in the modern era with modern technology. With a boat made of wood, built by some dude and his family. How long would it have taken to build a boat that could have 4 million creatures on board?