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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
1666
In chemical weathering of rocks, the equation Fe,2O3+3H2O → Fe2O33H2O represents
  • A. carbonation
  • B. hydration
  • C. solution
  • D. oxidation
View Answer & Discuss WAEC 2016
1667
Which of the following statement is a disadvantages of decaying organic matter in soils?
  • A. Bacterals and fungal growth is enhanced
  • B. minerals in organic matter are released into the soil
  • C. physical condition of soil is enhanced
  • D. water-holding capacity of soil is improved
View Answer & Discuss WAEC 2016
1668
Lost soil nutrients can be replenished by the following methods except
  • A. organic manuring
  • B. fertilizer application
  • C. continuous grazing
  • D. cover cropping
View Answer & Discuss WAEC 2016
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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1669
In the carbon cycle, carbon dioxide in the air may be replenished by
  • A. respiration
  • B. transpiration
  • C. lighting
  • D. denitrification
View Answer & Discuss WAEC 2016
1670
Irrigation can be described as the
  • A. reduction of soil water
  • B. spraying of minerals on plants
  • C. application of dissolved fertilizers to the soil
  • D. application of water to the soil
View Answer & Discuss WAEC 2016
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