vannah2781 vannah2781
  • 17-12-2018
  • Geography
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I don't know these need some help

I dont know these need some help class=

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linaliss03
linaliss03 linaliss03
  • 17-12-2018

7) topsoil

8) subsoil

9) parent material/weathered rock

10) bedrock

11) humus = the organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms

12) organic layer (very top)

13) crop rotation, contour plowing, no-till farming

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