A comet impacted the Earth in 10,900 BC which had devastating results for the planet
Debate Rounds (3)
Secondly, and lastly, this did not happen, as a new study in 2014 found out that the 29 sediment layers that indicate the effects of the comet appears to be much younger or much older and "Chronological evidence fails to support claim of an isochronous widespread layer of cosmic impact indicators dated to 12,800 years ago" .
 - https://www.sciencedaily.com...
One possible reason for the papers outcome that is cited above is the Clovis-era radiocarbon plateau.
Fiedel, S., 2015, The Clovis-era radiocarbon plateau. In A. M.
Smallwood and T. A. Jennings, eds., pp. 11-19, Clovis : on the edge
of a new understanding. College Station : Texas A&M University
Press. 364 pp.
This calls your reference into question. I feel the body of evidence still is in favor of a comet. The stories from Native Americans living in the mid-northern US around this time support what we would expect if a comet impact happened. Black rain, darkened skies with no sun for a long time, etc...
Even if it is only one study, the fact that it was able to prove all these other studies you mentioned wrong means that that study is the superior evidence, and I would also like to point out that my opponent did fall into the ambiguity fallacy when arguing for his point the first round.
Are you able to provide any other sources besides this one to support your claim?
It is also important to mention my initial evidence came to fruition by reviewing the sediments on the 29 sites that supposedly suggests of a comet impact. While my opponent mentioned the fact that scientific findings are constantly being changed, it is perhaps important to note that my initial evidence is most likely the update on the scientific finding that follows my opponent's initial claim.
No votes have been placed for this debate.
You are not eligible to vote on this debate
This debate has been configured to only allow voters who meet the requirements set by the debaters. This debate either has an Elo score requirement or is to be voted on by a select panel of judges.