The map shows the Soils of America.

The Soils of America with key of soil types by color. Green is Alfisols, Pink is Andisols, Tan is Aridisols, Light blue is Entisols, Blue is Gelisols, Dark red is Histosols, Orange is Inceptisols, Dark green is Mollisols, Red is Oxisols, Light purple is Spodosols, Gold is Ultisols, Yellow is Vertisols. The circled area is mainly gold with small areas of orange and yellow.

Which best describes the soils found in the southeastern United States?

frozen
sandy
weathered
young

weathered

Explanation: Vertisol, one of the 12 soil orders in the U.S. Soil Taxonomy. Vertisols are clay-rich soils that undergo significant vertical cracking during the dry seasons. Typically forming under grassland vegetation in basin or rolling hill landscapes, they are best suited for use as pastureland and for the cultivation of plants, such as rice, that thrive in standing surface water. Their very low water permeability when wet and unstable structure make them unsuitable for most other commercial uses.

the answer is weathered

Explanation:

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the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.