It is determine by brightness
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."
Because it is to help urban people to more modern just like in city areas
Answer:
lowest level of the atmosphere
Explanation:
The reason why its found in the lowest lvl is mainly because 99% of the water vapor in the atmosphere is found in the troposphere(lowest level)
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