Answer: people from serberia probably walked on feet over to america in the late ice age. it was covered with a thick sheet of ice and was hard to inhabit.
Explanation:
Often has different layer, the layers can be straight or curvey.
Colors of the rock come in a huge variety.
Usally contain fossial. :)
Hurricane...
please mark it as brainlist.....
By seeing how long or short the days are. and where sun is located
Its becuase africa iis relly poor and the dont have the matirels to harvest anything