Hi Zechariah,
Science was not invented to discredit the Bible. By studying the history of science we discover that quite the opposite is true. Many early researchers were Christians seeking evidence which would strengthen their faith. Clergyman and the upper class were the only folks in those days with the time, education, and resources needed for studying nature and as Naturalists they sought evidence for natural history as it was recorded in the Bible. After years of painstaking research the collected evidence just did not add up the way they had hoped. Many had the courage and honesty to admit that the Bible did NOT accurately depict the flow of natural history. Scientists listen to what the evidence says and not to what their cultures want them to believe. All the evidence shows that there could not have been a World wide flood just a few thousand years ago as the Bible's own timelines insist.
All branches of science, not just some, have found that their evidence cannot support the biblical flood claim. Archeology proves that many civilizations have existed continuously for much longer than the Flood's time. These cultures and ruins show NO evidence of having been stopped by a World wide flood, and yet more convincingly they could not have restarted themselves with the same relgions, languages ,arts, and architectures if only one family from another culture survived this event. Geological evidence provides NO indication of a World wide flood, especially in the last 5000 years.
I could go on describing the reasons why other branches of science cannot support a global flood event either but I would prefer some common sense problems we can ask ourselves. One of the biggest problems with the Flood is how do we explain away the fact that there are two distinct forms of aquatic life on the Earth today, marine life from the salty oceans and fresh water life found in lakes and rivers. A world wide flood would have required that the bulk of the waters be either salty or fresh since they were mixed up and could not have retained their individual chemistries. If a flood event occured one of these distinct aquatic environments would have been destroyed so there would only be fresh water life or marine life left alive today but clearly not both, since each environment is deadly to the other. Yet we still retain both environments only a few thousand years after this supposed event. We know this without conjecture because the evidence is here right now for you to see. This is especially impossible if you do not accept evolution as an adaptive mechanism. This evidence alone is enough to prove without question that a global flood did not occur and it does not rely on carbon dating, theories, or conjecture from conspiring scientists. I would be intersted in a reasoned response to this problem because I have been unable to find one.
The list goes on and on if you have the courage and love of truth to study it. Your explaination of kangaroos in Australia makes no sense since Australia is unique in all its life forms and not just kangaroos because there were NO placental mammals there until the arrival of man. If post flood survivors from the middle east brought animals with them to repopulate this flood cleaned island why didn't they bring the placental mammals they were familiar with and depended on for food and clothing such as goats, sheep, camels, horses, and cattle? Why would they bring a completely unique class of animals which their own religion prohibited them from eating and whose tits are hidden in pouches making them very difficult to milk? Why did they neglect to bring ANY familiar animals on their journey to Australia? The only placental mammels found on the island before Europeans arrived just a few hundred years ago were dogs and humans who were clearly there long after the marsupials had already established themselves. Your explaination is illogical and does not fit the evidence. Why didn't other post flood survivors take the same unique Australian animals with them as they repopulated other parts of the World? Common sense alone disproves the theory. Common sense alone disproves a World wide flood.