How were Egyptian farmers able to produce enough food to create a surplus?

The guards at the royal palace in london stand at attention while on duty. on a very hot day, it is not unusual for one (or more) to become light headed and faint. explain this phenomenon

Agroup of anthropologists from the future want to study the culture and society of the twenty-first century. they cannot find any written documentation of this time period, so they must conduct an archaeological excavation.identify the artifacts, features, and ecofacts they will find during their fieldwork. what will these items tell the anthropologists about our culture and society?

How did the aztec culture benefit spain when they were conquering the aztecs?