States
There were large regions of land added to the United States called territories. One was The Louisiana Purchase. The other was Alaska.
The two largest land form regions in the US are the Rocky Mountains and the Appalachian Mountains. In Canada, the largest land form region is called the Maritime terrains.
There are approximately 10 federal regions in the US. The census has four regions. The federal reserve also has 12 regions.
The regions of the US (as defined by the US Census Bureau) are the West, South, Midwest, and Northeast.
southwest midwest pacific region northeast southeast north west noncontiguous
The regions of the gene that are eliminated are called introns. In the process called splicing, introns are removed from the gene, leaving only the remaining regions called exons to form the mature mRNA transcript.
The four regions on the US are the West, Midwest, South, and Northeast.
The coastal regions.
The areas are called the "polar regions" or the "polar latitudes."
There are many regions in the US, not just two. For example the Northeast and the Southeast.
Seven regions are sometimes called the seven
regions