Economic growth 10% / year
I think it's a)oil because it bring wealth into the region they are needed for much of the world's economy. ... Over half of the world's known oil reserves are found in this part of the world
They usually have crops or fruits to sell or they are there to buy something they cant find in their cities.
The correct option is TWO LARGE RIVERS.
The Aral lake was once the fourth largest lake int the world. It was fed by two large rivers: Amu Darya and Syr Darya rivers. Some even called the Aral lake a sea because of its large size, but that was then, the lake has been drastically reduced in size now due to water diversion.
I think it is number 3 or c because earths layer is just the right tempature for us to live on, and the mantle is very hot liquid that is under the crust or the 1st layer of earth and it gets hotter the deeper you go like the inner core is molten metal and is very very hot. hope this helps
