3 ms·
Climate change (ice age), epidemics, war, famine…
by Georgelemental 3y ago
Climate change (ice age), epidemics, war, famine…
- mupuff1234 3y agoVarious problems yes, but not necessarily bigger (or even same size/complexity).
- n4r9 3y agohttps://www.geol.umd.edu/sgc/elevator/elevator43.html https://www.geol.umd.edu/sgc/elevator/elevator43.html