Paleolithic-Old Stone Age
Neolithic-New Stone Age
Surplus-an amount, quantity, etc., greater than needed
Environment- surroundings and influences
Domesticate-to convert (animals, plants, etc.) to domestic uses; tame. to adapt (a plant) so as to be cultivated by and beneficial to human beings.
Agriculture-the science, art, or occupation concerned with cultivating land, raising crops, and feeding, breeding, and raising livestock; farming.
Nomad-a member of a people or tribe that has no permanent abode but moves about from place to place
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