This layer of soil is called the A horizon.
Im not sure but there is a city in Bulgaria named “Oven”
The Red Terror was a period of the political repression and mass killings carried out by Bolsheviks after the beginning of the Russian Civil War in 1918.
solpe can affect materials by how large and the diameter of the slope. Explanation:
<span>A.Caucasus Region is the answer</span>
