The answer is D. is a series of rivers and mountains that separates Canada from the United States
In north america region, ( Canada , USA, and Mexico) we have 4 continental divides.
- The Great Divide( Run from alaska, through crest of rocky mountains in Canada, to Sierra Madre Mexico)
- The northern divide seperates the watershed of the Atlantic Ocean and Arctiv ocean
- The St. Lawrence Seaway Divide ( Separates great lakes from the rest of atlantic oceans)
- The Eastern continental divide ( separate watershed of the Gulf Mexico from atlantic ocean)
