19. Soil particle size from SMALL to LARGE is 4/19/2018 A. Clay, Silt, Sand B. H
ID: 293554 • Letter: 1
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19. Soil particle size from SMALL to LARGE is 4/19/2018 A. Clay, Silt, Sand B. Humus, Fulvic acid, Organic matter c. Sand, Silt, Clay D. Sand, Clay, Silit 20. Confined aquifers are bound above and below withpermeability aquitard A. Impermeable B. High C. None of the answer choices are correct D. Low 21. B-horizons tend to contain more clay and iron oxides than A-horizon. A. False B. True 22. In the leaky landfill lab was added to the sand to make it more A. Saltwater, conductive B. Water, nonconductive C. Saltwater, nonconductive D. Water, conductive 23. Soll texture is related to: A Metamorphic grade B. Degree of moisture saturation C. Organic matter content D. Size of grains in the soil atrend with time 24. In the Groundwater II Processes lab, the hydrograph showed a from pumping out ground water. A. Upward B. Downward C. None of the answers are correct D. There was no trend 25, Loam is a type of soil texture which refers to soils containing 10-30% clay. A. True B. FalseExplanation / Answer
19) a.) clay, silt, sand
clay is the smallest particle with diameter less than 0.002mm, and silt ranges from 0.002-0.05mm and sand ranges from 0.05 to 2mm.
20) low
confined aquifers are usually bound with impermeable layers of layers of material above and below and the water is under pressure and it can rise itself.
21) True
B-horizon contains more clay and iron oxidethan A-layer, and less amount of organic matter.
22) salt water, conductive.
the presence of salt increases the conductivity of the sand.
23)size of grains in the soil.
soil consist of particle with different size start from smallest particle clay, silt and sand.
24) downward
during pumping of water, its level in the ground decreases. and hence it shows a downward trend.
25) True
loam is the soil which is consist of majority of sand, silt and clay. it is an ideal medium for agriculture and gardening.
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