When did the men hold their prayer service and wish each other a happy new year?
a. on the eve of rosh hashana
b. on the first day of hanukkah
c. on yom kippur
d. on december 31

a. on the eve of Rosh Hashana

Explanation:

in the event of Rosh Hashana, every man greet each other and wish a happy new year to each other.

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.