The sun and the Earths core
Europeans still ship goods using canals and rivers because it is cheaper than using other shiping methods
Lines of latitude and longitude help you find a certain location on a map
The answer is no. The Caucasus Mountain does not separate European Russia from Asian Russia. It was the Ural Mountains that separates the European Russia from Asian Russia. Ural Mountains is a mountain range that stretches approximately from northwestern Kazakhstan through the western part of Russia.
