Desert , Savannah, Rain Forest, Sahel
North, West, East, and Central and Southern
Because.
Desert, Sahel, Rainforests, and savannah.
4 types of regions: North, East, West, and South/Central.
Northeast, South, Midwest, and West are four main vegetation regions.
Northeast, South, Midwest, and West.
mostly rainforests
The Aorta has FOUR main regions
The four main vegetation regions that cover the United States are forests, grasslands, desert, and Tundra.
4,for,and four
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Northeast, South, Midwest, and West are four main vegetation regions.