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5 Written questions

5 Matching questions

  1. c
  2. Hydration
  3. illuviation
  4. reduction
  5. ss
  1. a the accumulation of clay and humus in a particular horizon
  2. b concretions: dense mass of secondary minerals in a horizon; B or C
  3. c gain of electrons
  4. d addition of H2O molecule
  5. e slickensides, shiny clay planes

5 Multiple choice questions

  1. metal ion that fits in a particular location of an enzyme to complete a metabolic or reproductive process
  2. A soil formed on a landscape in the past with distinctive morphological features resulting from a soil-forming environment that no longer exists at the site
  3. a vertical section of soil through all of its horizons and extending into parent material
  4. Weathered bedrock, C
  5. O2, H2O, CO2 carbohydrates

5 True/False questions

  1. gilluvial accumulation of sequioxides

          

  2. HydrogenNO3-, NH4+, Proteins, amino acids

          

  3. soil tesseraa vertical section of soil through all of its horizons and extending into parent material

          

  4. ColluviumMoved by gravity

          

  5. vPlinthite accumulation, very dense layer of oxides in tropical areas