Answer:
hello the map related to your question is missing attached below is the missing map
answer :
Pacific ranges, Great Basin, Rocky mountains, Great plains, coastal plains and Appalachian mountains
Explanation:
The six regions outlined on the map are
Region number 1 is called the Pacific ranges
This is a region Located within British Columbia and Canada and the area runs northwest from the lower stretches of the Fraser River to Bella Coola. and it is known as subdivision of the coast mountain portion ( part of Pacific cordillera )
Region number 2 is called the Great basin
Region number 3 is called the Rocky mountains
Region number 4 is called the Great plains
Region number 5 is called the coastal plains
Region number 6 is called the Appalachian mountains
