Religion caused many Arabs to move through the Middle East.
During the 600s CE, an Arab expansion took place all over the Middle East. During these years, Muslim conquests became common, and this led to the establishment of unified Arabic empires, or "caliphates."
Answer:
At the top theres less air and a higher elivation
Explanation:
Weather is short term changes in the atmosphere. On the other hand climate describes what the weather is like over a long period of time.