Some of the physiographic features that cause extreme aridity may be found together within a <span>single desert, but t</span>he deserts found in the western united states are primarily the result of being located within the rain shadow of one or more mountain ranges.
From small beginnings, South America grew to greatness because of maize. Just did this and it's correct.
The unsuitable factors for forming is '' salt,paints,poisnes substances,etc"
I'm not exactly sure what your asking but
New England colonies are lumber colonies
Middle are fishing colonies
Southern are farming colonies
