The richest farming soils that form under the grasslands of central North America and under moist deciduous forests are theĀ ________.

A. Mollisols and alfisols
B. Ultisols and mollisols
C. Latisols and aridisols
D. Alfisols and ultisols
E. Entisols and ultisols


Answer: A

Environmental & Atmospheric Sciences

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