Answer:
Irrigation allowed for the production of agricultural surplus leading to:
industrialization, urbanization, and economic development.
Explanation:
Irrigation is the artificial control of water for agricultural production of plant resources and food crops. This practice enabled agriculturists and farmers to produce surpluses. With the surpluses, efforts were made to find ways of storing them. This gave birth to industrialization. When industries were formed to carter for the storage and processing of food crops into refined products, it required the gathering of people (laborers) from the rural areas. These congregated into industrial cities and towns. People then started to emigrate their urban dwellings to reside in urban areas.
When 50% of all offspring are recombinants, geneticists say there is a 50% frequency of recombination.
A 50% frequency of recombination is observed for any two genes that are located on different chromosomes and are therefore unlinked.
This is a result of independent assortment. When two genes are close together on the same chromosome, they do not assort independently and are said to be linked.
Answer and Explanation
The trade helped to develop African societies in Maghreb Western Africa that later influence the rise of the Mali Empire.
African Gold-Salt trade brought the Arabs to Africa, leading to Arabic conquest that influenced western Africa societies due to introduction of trade.
There was spread of Islam into Africa through the trade routes of West Africa. Trade of Gold and salt saw the rice of government structures under chiefs who ruled under the kinship systems.
The development of empires grew larger with increased trading of gold and salt in Trans-Saharan trade routes. Trades from the east brought in weapons such as swords that lead to military force developments.
d is the first people to live on the caribbean islands
This case supported the existence of Jim Crow Laws because their decision was "separate but equal". The Jim Crow Laws were based on "separate but equal". For instance, blacks and whites had the same bathroom, but they had two separate ones.
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