Yes the prosesers have been the same because they are the most sufisheint at mining the earth
<span>He looks absolutely revolting.
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Option 'B' = changes in climate, had the greatest impact on pre-historic man.
Changes on the weather forced men to move periodically or cyclically, usually returning to their original location at various times. When they moved to colder climates, they would make clothing out of animal skins, to protect themselves. When the nomads learned how to plant, they didn't need to search for other places anymore.
This combination or a mix of people could lead to confrontations or even wars due to their differences which might be based on hatred, intolerance and opposite beliefs. On the other hand, culture might be threatened, they would result lost because of the combination.
Difficulties to communicate because of the different languages people use.
