When erosion from the wind pushes the grains of sand into a big pile.
Up here topically a majority of our mountains and craters are results of volcanoes and earthquakes that are caused by moving tectonic plates. on the ocean floor the features are caused by the same things. there are under water mountain ranges and craters.
Answer:Oreophrynella quelchii,
Explanation:
The Volga is the longest river in Europe. It is also Europe's largest river in terms of discharge and drainage basin. The river flows through central Russia and into the Caspian Sea, and is widely regarded as the national river of Russia.