What are characteristics of demand? a A. the desire and ability to buy a product b B. the ability and willingness to buy a product c C. the willingness and desire to buy a product d D. the desire, ability, and willingness to buy a product

The answer is B( the ability and willingness to buy a product

an aneroid barometer is different from a mercury barometer in that it provides readings that increase as air pressure increases.

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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.