The Sahara desert was a geographic barrier that made early life difficult for humans that settle in the Nile area. Trading between settlements was very dangerous due to the unforgiving desert conditions.
Yes, geographic barriers guarantee the formation of new species.
Time barriers, geographic barriers, cost barriers, structural barriers.
a geographic feature that prevents or slows transportation
Three barriers will slow my pace.
A global type of organisation in which artificial geographic barriers are eliminated.
it is a dam good place to be for me i mean this is my opinion
Ummm idont know*
different mating patterns
Some barriers were the surround city there were three ways and side that India had because of being surrounded by water on 3 sides there barriers would stop invasion THis was Luis who gave this answer
Each paragraph that you write should be about one subject.
When I was on my journey there were barriers in my way because of that I couldn't move ahead.
Bannas apples and weewees