<span> The basin system only allows the planting of one main crop.</span>
Answer:
I think its gravity but not sure
Answer:
Sinking land
Explanation:
Mexico City has sunk around 10 meters over the last 100 years. Structures such as buildings and churches are leaning, and the land has made an uneven descent into the earth. Mexico City sinks about three feet a year now.
In the development of a terrestrial planet, the stage of *flooding* occurred when dense material settled to the core and less dense to the outer parts.
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
