On 9/4/2020 9:14 AM, Jeffrey Schwartz wrote:
> I think I see where you're going with this -
> Without an ocean to support algae , where's the oxygen coming from?
> Without a forest_somewhere_  ?
>
> That's an interesting question

That's one issue.  Others are naturally occurring potable water, water
to create sufficient plant life to support the nutritional needs of the
population, etc.

Where's the break point between "this is naturally possible" and "this
requires technological support"?

--
Kurt Feltenberger
xxxxxx@thepaw.org/xxxxxx@yahoo.com
“Before today, I was scared to live, after today, I'm scared I'm not living enough." - Me