I. Nutrient holkding capacity of the soil has the most effect on (0). the amount

Question

I. Nutrient holkding capacity of the soil has the most effect on (0). the amount of nutrients readily nutrients may be leached from the soil, (c). how readily nutrients may present, (b). how be absorbed by plants, (d), how readily nutrient may be broken down, (e). the maximum amount of nutrients that may be added to the soil at any one time 12. Water will not exist as a). a solid, b). a liquid, o). a gas, d). separate oxygen and hydrogen atoms a). there is a increase in kinctic energy of the water molecules, b). there is a braking of the between water mo lecules, c), water molecules separate from each other, d). 13. Which of the statement is False? In the evaporation of water hydrogen bonds water molecules break up into separate oxygen and hydrogen atoms, e). none of the above 14. Following the pathway of water in the water cycle, condensation leads most directly to a), evaporation, b). precipitation, c), transpiration, d). groundwater, e), infiltration freshwater wells in coastal areas now yield salty water. The main cause of this problem is a). rising sea level, b). excessive use of road salt, c). excessive removal of fresh water is permitting salt water to move backwards into aquifers, d). improve sewage treatment, e). not known 16. A falling water table may be caused by a). excessive with drawl of groundwater, b). increasing runoff, c). decreasing infiltration, d). all of the above 17. The term is used to describe the resistance of a soil at various moisture contents to mechanical stresses or manipulations is a), porosity, b), infiltration, c) soil persistency, d). soil consistency, e). none of the above 18. The attraction of ions or compounds to the surface of a solid is a). absorption, b). adsporption, c). desorption, d). eluviations, e) none of the above 19. The gradual breakdown of rock into soil particles by natural factors is called (a). leaching, (b). abrading, (c). weathering, (d). degradation, (e). fracturing 20. In a natural ecosystem, most of the nutrients absorbed from the soil by plants come most directly from (a). weathering, (b). decay of organic matter, (c). leaching, (d). acidification, (e). none of the above Nutrient-holding capacity of the soil has the most effect on (a). the amount of nutrients present, (b). how readily nutrients may be leached from the soil, (c). how readily nutrients may be absorbed by plants, (d). how readily nutrient may be broken down (e). the maximum amount of nutrients that may be added to the soil at any one time 21. 22. A deep dry layer of porous rock is a necessary feature for a. deep well injection, b. surface impoundments, c. landfills, d. all of the above

Explanation / Answer

11. e) the maximum amount of nutrients that may be added to the soil at any one time

12. d) deparate oxygen and hydrogen atoms

13. e) none of the above

14. b) Precipitation

15. c) excessive removal of freshwater is permitting salt water to move backwards into aquifers

16. d) all of the above

17. d) soil consistency

18. b) Adsorption

19. c) Weathering

20. d) decay of organic matter

21. c) how readily nutrients may be absorbed by plants

22. d) all of the above

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