The northern european plain is located on which border of russia

The Northern European Plain covers some of the Netherlands, Scandinavia, Germany, and most of Poland. It is mainly located on the "north-east side of Europe."

Hope this helps.

Answer they are produced by collision of tectonic plates;

Answer mauritania is in the northwestern part of african, meaning its in the western hemisphere, and how do i know/ the map showed me so; ///: )