Devastating sandstorms tinted skies orange and hospitalized thousands in Iraq. The correct option is A.
Sandstorms are common in dry or arid regions. It is caused by string pressure gradient which increase the speed of the wind, the wind lifts large amount of sand which cause sand to flow all over the place.
The sandstorms can remain up to months, it causes problem in work, and it causes many accidents.
Thus, the correct option is A. Iraq.
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