In the New World the term refers to a period when permanent settlements were becoming more common and human groups were making the transition from hunting-and-gathering to agriculture. Bronze Age - A prehistoric period in the Old World, dating roughly from 3000-1000 B. E, defined by the widespread use of bronze as a material for tools, weapons, and ornaments. The lids were usually modeled to represent animal-headed gods or the heads of important people.
Alloy - A substance made by the mixture of two or more elements, at least one of which is a metal.
Alloys are often stronger and more durable than pure metals.
Many ancient peoples, such as the Egyptians living along the Nile, depended on annual floods and alluvial deposits to replenish the soils they were farming.
Alluvial soils are usually nutrient-rich and good for agriculture.
It is generally a raised area above the rest of the city where the most important sacred and secular buildings are brought together.