I dont know all the answers but i know one and its
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Answer:
Explanation: Africa is considered as the Cradle of art and civilization because there were the first artistic manifestations, especially in Egypt, a country belonging to this continent, which has been considered as one of the most important civilizations in ancient times, since there the following types emerge decorative painting, temples and huge buildings (pyramids), in addition to sculptures that apart from being true works of art, were created with a unique style that has stood the test of time. As Africa is a continent considered as the cradle of civilization, this statement is given because it was there that they found remains of hominids (primates) that are believed to be the first humans who inhabited the earth.
<span>a camel riding desert tribe from Arabia
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<u>Decisions are based on expected costs and benefits because it helps the person in analyzing whether it is worth it or not.
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It is human tendency that he always wants a favorable and beneficial outcome out of his actions. Therefore, this expectation is the reason behind the cost and benefit analysis by a person before making a decision.
This helps an individual to come to conclusion as to whether making a particular decision is worth making or not. If in doing any particular act, the cost is too high or there are very little benefits, it is likely that an individual will not act that way.
Because the Chinese empire was conquered by the manchurians