Final answer:
Ariaal are a combination of Sunni Arab and Sunni Kurd ethnic groups.
Step-by-step explanation:
Ariaal are a combination of two ethnic groups: Sunni Arab and Sunni Kurd. The ethnic division of Islam also plays a role in this combination, as the Ariaal people belong to the Sunni sect of Islam. The Arab and Kurd ethnic groups have distinct cultural and historical backgrounds, and their combination in the Ariaal community reflects the diversity of ethnic groups found in the Middle East.