Answer:
For example, most Mississippi row crop production (cotton, corn, and soybeans) occurs in the relatively flat, deep alluvial soils of the Delta, which are conducive to mechanized farming. Conversely, animal production and forestry dominate on the shallower soils in the hilly sections of East and South Mississippi.
your answer would be D: crust and outer part of the mantel
Because many rivers run swiftly down int mountains.
Hope that helps
There are Alps Balkan Peninsula, Liberian Peninsula, Danube River, and the Northern European lowlands. Hope this Helps :)
