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Author Question: Alternate freezing and thawing of soils results in the heaving of plants and the destruction of ... (Read 160 times)

jrubin

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on: Jul 22, 2018
Alternate freezing and thawing of soils results in the heaving of plants and the destruction of shallow building foundations. This effect is due primarily to ________.
 
  A) the hydration of adsorbed cations on the soil colloids
  B) the expansion of water when it freezes
  C) pressure from upward movement of water from lower horizons
  D) the breaking down of soil aggregates due to freezing and thawing
  E) the wetting and drying of swelling-type clays

Question 2

A mineral soil has a water content of 25 kg water per 100 kg dry soil. What is the approximate specific heat of this soil, expressed in calories per kilogram?
 
  A) 250 B) 450 C) 590 D) 360 E) 640
The Nature and Properties of Soils ¦ Weil, Well, Brady ¦ 15th Edition
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jasonq

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Reply #1 on: Jul 22, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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jrubin

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Reply #2 on: Jul 22, 2018
Thanks


jasonq

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Reply #3 on: Jul 22, 2018
Welcome :)


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