| However, this small episode is enough for Khobar to boost its population growth and to strengthen ties with the biggest city that was Dammam | The origins of the name "Dammam" are controversial, since some assert that it would come from an onomatopoeia given to this region of drum noise giving the alarm, melody called "damdamah", others claiming that the name comes from the word Arabic "dawwama" whirlwind that indicates a coastal site that boats should avoid |
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| Eventually this line should be extended to Jeddah, serving Mecca and Medina, another extension would link Riyadh to Ha'il in northern Arabia | The third door, known as Alsagheer, comes in the middle of the southern side |
highways Khobar, Dhahran, Qatif and other cities are connected to Dammam with 2x3 lanes or 2x4 lanes, which is connected to the entire Saudi motorway network.
17| Scientists identify the deserts according to the amount of rain falling on them, or the temperature or the type of soil and varieties of plants developing, Scientists may combine these elements to define the desert, and some deserts are classified as cold deserts because they arise in low-lying polar regions | The governorates were Muscat, Dhofar, Buraimi and Musandam |
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| was created in October 2006 from parts of Region | The most famous deserts in the world are: The Great Desert,The Australian Desert , Desert of Antarctica and deserts of Saudi Arabia |