___ was started by the Russian Tsar Boris Godunov. A. Serfdom
B. Communism
C. The Trans-Siberian Railroad

Where would you be most likely to find a freshet?

Plzz on what physical process is responsible for the creation of volcanoes, earthquakes and ocean trenches at the plate margins?

In which direction does the moving force of air flow? a-from warm temperatures to cold temperatures b-to areas of high pressure to areas of low pressure c-east to west d-from high elevations to low elevations