Shortage of fresh water which caused the Middle East to be among the driest regions in the world. More than 2/3 of Arab countries are classified as water poverty stricken.
Answer:
D
Explanation:
Long occupation of the area
Answer:
minerals
Explanation:
Rocks are identified primarily by the minerals they contain and by their texture. Each type of rock has a distinctive set of minerals. A rock may be made of grains of all one mineral type, such as quartzite. Much more commonly, rocks are made of a mixture of different minerals.
Answer:
Lithospheric plates are part of a planetary scale thermal convection system. The energy source for plate tectonics is Earth's internal heat while the forces moving the plates are the “ridge push” and “slab pull” gravity forces. It was once thought that mantle convection could drive plate motions.
Explanation: