Answer:
Explanation:
Between about 800 and 1200 AD, partly in response to the new currents of trade, Africans in the southern sahel developed a set of trading states with an elaborate organization.Well before 1500 AD, a number of states had come into existence, that had no connection at all with the trade across the Sahara.
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Answer:
The mean of each sampling distribution of individual proportions is the population proportion, so the mean of the sampling distribution of differences is the difference in population proportions.
( يوم يسمعون الصيحة بالحق ) يعني : النفخة في الصور التي تأتي بالحق الذي كان أكثرهم فيه يمترون . ( ذلك يوم الخروج ) أي : من الأجداث .
<h3>What is an antacid?</h3>
An antacid can be regarded as substance that is used in the neutralization of the acid that is in the stomach.
Most of the time an antacid is usually used in ;
- relieving heartburn
- indigestion relieving an upset stomach.
- treatment of constipation.
Learn more about antacid at:
brainly.com/question/2449385
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