I am pretty sure that many villages in the Sahel have been settled at the edge of the Sahara. I choose the option C because It seems to me that you are referring era of Sahelian Kingdoms and If so, most odf them were settled <span>at the edge of the Sahara. Do hope you will find it helpful!
Regards.</span>
Answer:
The answer is the formal operational stage.
Explanation:
During this stage, the fourth and last according to Piaget's structure of cognitive development, people begin to think logically. Another key feature is the development of abstract thought, which also involves creativity.
In the example, the child has developed the ability to imagine a world that's radically different from the real one; thinking about hypothetical situations are characteristic of the formal operational stage.
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The answer is 6800 BCE.
Jericho, one of the world's oldest villages, began an impressive building program of structures to protect their grain surplus around 6800 BCE.
<h3>What is Jericho and why is it important?</h3>
A Palestinian city in the West Bank is called Jericho. It is situated in the Jordan Valley, with Jerusalem to the west and the Jordan River to the east. It is also the oldest continuously inhabited city on the Earth.
The city's archaeological site is very significant because it shows how early permanent communities developed and how early civilization began. Traces of Mesolithic hunters' visits, carbon-dated to around 9000 BCE, as well as a protracted period of habitation by their descendants have been discovered.
To know more about Jericho, visit:
brainly.com/question/3305856
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Answer:
Contrast error
Explanation:
Contrast Error is a concept in which the performance grading of a candidate is influenced by comparing with the performance of the previous candidates (being relatively good or bad). This is a rating error in which the analysis of an individual is based on the performance of other people in the group that is when the performance of others in a group is low, they is a tendency that the performance of an individual would be low and vice versa.