Nowadays, food shortages may be caused by failed harvests, explosive growth of population, transportation problems etc. In the period you mention, the sole cause was failed harvests.
It would be 10,000 BC
yes
6000 b.C.
No.
no in 10000 BC
BC means "Before Christ", but also "Before the Current era".
mongolia 10000 bc or 5000 bc no one reley knows
many periods
GET YOUR OWN
10000 BC
Fossils exist of several ancestral species, and cave drawings from around 30,000 BC show horses (although they were likely hunted for food). During the period 4500 BC to 2000 BC, there are records of increasing domestication by human societies.
10000 Billion BC