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Forested land in the amazon basin is currently being cleared for agriculture, just as land in the midwestern u. s. was cleared for agriculture in the 19th century. the growth of plants is influenced by soil fertility, the naturally-occurring concentration of plant nutrients in the soil. which statement below do you think best describes the relative soil fertility levels in amazonian soils and soils in the agricultural midwest?
a. amazonian soils have higher fertility than midwestern soils
b. amazonian soils have lower fertility than midwestern soils
c. amazonian soils have roughly equal fertility as midwestern soils
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