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.Management Sciences
Category: Soil Science
Which mineral contain phosphorus__________________?
A. Igneous
B. Metamorphic
C. Apatite
D. None of the above
Nitrification is the microbial conversion of____________________?
A. NH nitrogen the NO3 nitrogen in soil
B. NO2 to NO3 nitrogen in soil
C. NO3 nitrogen to NH4 + in soil
D. None of the above
Sewage water consists of water and solids in the following percentage___________________?
A. 99 & 1
B. 90 & 10
C. 80 & 20
D. None of the above
Rocks formed from compacted clay or mud are called____________________?
A. Shale
B. Clay stone
C. Sand stone
D. None of the above
Slipperiness is due to__________________?
A. Covalent bond
B. Vander walls forces
C. Wire bond
D. None of the above
Fine-graned rocks formed on earth crust are called____________________?
A. Intensive igneous rock
B. Extrusive rock
C. Sedimentary rock
D. Plutonic
The little clay mineral is_____________________?
A. Non-expending
B. Expending
C. None or little expending
D. None of the above
Deficiency of B can be corrected through application of chemical fertilizer of_________________?
A. Solubor
B. Boric acid
C. Borax
D. All the above
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