Longitude is the measurement east or west of the prime meridian. (Imaginary lines that run around the Earth vertically. up/down.)
Answer:
D.
Explanation:
Most settlements in the Middle East, especially Arabia are near the sea. Historically the main industry was trade and fishing, so those towns would be very important to those industries. Most new modern settlements are in areas with oil, those towns are mainly for the workers. The Middle East doesn't have a lot of the materials naturally from the other answer choices.
