Decreases? I think.........
Answer:
Correct answer is:
A. Canadian Shield
B. Coastal Range
C. Intermountain region
Explanation:
North America is usually divided into eight regions.
As we can see from map Canadian Shield is the largest region, that covers larger part of Canada.
As we can see coastal range is covering territory along the Pacific, while Intermountain region is going along the coastal range.
