Who invaded and concoured russia in the thirteenth century and with what result? a. chinese hordes b. bizantines c. muslims d. mongols

The Mongols had conquered the Russian by 1240, but in twenty years they faced problems. Split into four parts The problem was the death of the founder of the Mongol Empire, Genghis Khan, these four parts were each ruled by a son of the great leader.

this forms a narrow, steep sided inlet (sometimes deeper than 1300 metres) connected to the sea. the terminal moraine pushed down the valley by the glacier is left underwater at the fjord’s entrance, causing the water at the neck of the fjord to be shallower than the main body of the fjord behind it.