Answer:
black supply of goods from the south help them rebuild.
Many of Egyptian innovations are still in use today like calender's forms of Geometric principles.
Explanation:
Egyptians were one of the oldest and one of the most advanced civilizations of its time.
It had been able to make advances in calendar and geometry as well as astronomy.
Its greatest asset and one that led the country in to a good civilizing process was their insistence on a system of irrigation.
Their irrigation techniques produced surplus food that was able to become the controlling power for a lot of people in the civilization and it was one of the defining features of their rule.
Demographers are scientists who study human populations. They tend to map and understand the dynamics of population, which includes birth, death, and migration. All of these affects population and must be studied by demographers. They may study the population change within a country or the interrelationship of countries' populations, which is mostly necessary in studying migration. However, they could also take specialization. For example, they could study only parts of the population like workers' social pattern. Demographers mainly use statistics in mapping their data.
the flags color is yellow and green
