The line would have to pass through at least two points.
By ocean currents is the answer to your question
The Neolithic revolution was when agriculture and herding replaced migratory hunting and gathering as the dominant lifestyle of human societies. About 12,000 years ago, a …highly significant change in human culture occurred when humans in the Middle East began to develop animal husbandry and agriculture.
www.answers.com/Q/What_new_techniques_did_people_learn_during_the_Neolithic_Revolution
It has the Nile river in the east, the Sahara desert and the Atlas Mountains which are in the west.
In the oxide form, uranium can be disposed of as low-level radioactive waste at an approved disposal facility.
