Suppose you and your roommate have the following agreement when it comes to cleaning your apartment: each person washes her or his own dishes after each meal. the principle of trade you just learned tells you that it would be more efficient if: a) both of you wash your own dishes after each meal. b) neither of you wash the dishes after eating. c) each of you wash half of all the dirty dishes. d) one of you wash all the dishes while the other does a different chore.

D

Explanation:

The principle of trade you just learned tells that it would be more efficient if they both do their divided work. There are some tricks of the trade that you can use in cleaning your own house:

the arab empire adopted the muslim religion as their main belief. arabs would influence the people from the territories they invaded towards islam (the muslim belief).

nevertheless, throughout the history of the arab empire, rulers brought intellectual individuals from other religions to their centers of learning. these other foreigners included jews, christians, greeks, persians, and indians.   these resulted in the adoption of important knowledge developed by these cultures by the arabic empire. for example, the works of aristotle were translated from greek to arab and indian scientists brought the numerical concept of "zero" to the arabs.

nowadays, 93% of the arab population is muslim, which at the same time is subdivided in sects including the sunni, zaini, alawi, shia. the remaining 7% is composed mainly of christians.

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