Answer:
C) decreasing social diversification resulting from maize cultivation.
Explanation:
Answer:
By the 1930s the African American population of the Midwest and Northeast had more than doubled since 1900.
Explanation:
Given that the African-American population in the aforementioned regions was 500,000 people in 1900, and said population increased to 1,250,000 30 years later, to determine the population growth rate during that period, the following calculation must be performed:
1,250,000 / 500,000 = X
2.5 = X
Thus, the African-American population in these regions increased by 2.5, that is, more than doubled during that period of time.
The Egyptian or the Nile Valley civilization developed, as the name suggests, along the banks of the river Nile in Egypt. Its long, narrow flood plain was a magnet for life, attracting people, animals and plants to its banks, and providing ideal conditions for the development of stable communities.
GPS <span>which stands for </span>Global Positioning System<span>, is a radio navigation system that allows land, sea, and airborne users to determine their exact location, velocity, and time 24 hours a day, in all weather conditions, anywhere in the world.
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GIS is A geographic information system (GIS) is a system designed to capture, store, manipulate, analyze, manage, and present spatial or geographic data.
