Hey there (again)
Rainfall on the Leeward side of the Rockies is reduced. Such an area is know(n) as a
Rain shadow
Good luck on your assignment and enjoy your day!
~ 
Answer:
The soil is called chernozem. The grasslands are known as steppes and they are found between the Ukraine and Russia.Together with the forest -steppe, the steppes form the chernozem belt, the agricultural heartland of Russia. The forest-steppe is black chernozem soil, high in organic matter (OM) and minerals, and better watered than the steppe.
Explanation:
As lithospheric plates move away from midocean ridges they cool and become denser. They eventually become more dense than the underlying hot mantle. After subducted, cool, dense lithosphere sinks into the mantle under its own weight. This helps to pull the rest of the plate down with it. This is how slab pull occur
