21. You should never take samples of soil to test from a trench wall.
22. Type B soils may be cohesive or non-cohesive.
23. When using a pocket penetrometer or shear vane to measure soil strength, how many samples should you test?
24. An average cave-in of five yards of soil will weigh how many pounds.
25. 1. The rotting dead matter in the soil is called ...............
26. Breaking down of rocks by the action of wind and climate is called ...............
27. The removal of land surface by water, wind or ice is known as .......................
28. The soil containing the greater portion of big particles is called .................
29. The soil containing a greater portion of fine particles is called ...............
30. The soil containing the same amount of large and fine particles is called ...................
MCQ Multiple Choice Questions and Answers on Soil Science
Soil Science Trivia Questions and Answers PDF
Soil Science Question and Answer
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