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AutoPenalti AutoPenalti
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5 years ago
In the healthy environment of a sustainable soil,
A) the levels of humus steadily decline, but the aeration increases.
B) sandy or silty soils are steadily converted to clay soils.
C) abundant populations of bacteria are steadily replaced by mycorrhizae.
D) the humus-forming processes of topsoil is renewed by the addition of detritus and humus.
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Environmental Science: Toward A Sustainable Future

Environmental Science: Toward A Sustainable Future


Edition: 13th
Authors:
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jjennaleighhjjennaleighh
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5 years ago
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