[SkyPilot]

Pre-deluvian. The atmosphere was more oxygen rich. Less ultraviolet rays penetrated due to atmospheric water vapor. People lived much longer lives then.

[Resettozero]

Pre-deluvian. The atmosphere was more oxygen rich. Less ultraviolet rays penetrated due to atmospheric water vapor. People lived much longer lives then.

I believe this is true.

If leading scientists were willing to test these propositions you listed, more scientists would likely find the truth of these matters, as opposed to merely extending the various popular narratives that keep their research funded but keep themselves and other human beings in the dark as to what has really happened in the past and when.