Anyone that survives has to have knowledge to do three things get water, get food, and build shelter. At the very basics can you make a bow, arrows, cordage, hooks, traps? Do you know how to knap flint? You'll need that kind of knowledge.
The flora, fauna, and climate with play a very important role. Those in more arid lands will have a harder go of surviving than those in areas with more water. Water provides more than just consumption. It also provides for a greater abundance of useable life like fish and plants.
In that scenario 90% or more of humans die off.
Anyone that survives has to have knowledge to do three things get water, get food, and build shelter. At the very basics can you make a bow, arrows, cordage, hooks, traps? Do you know how to knap flint? You'll need that kind of knowledge.
The flora, fauna, and climate with play a very important role. Those in more arid lands will have a harder go of surviving than those in areas with more water. Water provides more than just consumption. It also provides for a greater abundance of useable life like fish and plants.