Wind erosion is the main cause. And since it is the desert that wind can pick up tiny sand rock particles that slowly grind against the rock. Over time the erosion will give a jagged rock the smooth features as if it had been submerged in a river for the roughly same period of time.
Answer:
Big cities, convenience.
Explanation:
In the most densely populated areas of Europe and Russia, there are cities which means that things will be close to people. Cities provide convenient for people, they are more populated.
The grasslands south of the Northern European Plain are characterized by the cultivation of sugar beets.
The sugar beet is a fruit derived from the common beet that is widely used in Europe to obtain sugar. This fruit is characterized by being beige in color, it has an elongated shape similar to a carrot.
The cultivation of this fruit occurs in most of Europe especially in the southern region of the great plains of northern Europe. Among the most producing countries of this product are:
- Russia
- Germany
- France
- Poland
- Turkey
Learn more about northern European plain in: brainly.com/question/490345
