Volcanic soils:
Volcanic soils:
A. Aridisols
B. Gelisols
C. Endsols
D. None of the above
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Moderately toxic compound:_________?
Moderately toxic compound:_________?A. Lead
B. Fluorine
C. Nickle
D. All of the aboveWhich of the following is not a metamorphic rock?
Which of the following is not a metamorphic rock?A. Marble
B. Granite
C. Sand stone
D. both A & BInternational atomic weight of potassium is_________________?
International atomic weight of potassium is_________________?A. 39.0
B. 40.0
C. 41.0
D. 38.0Fine-graned rocks formed on earth crust are called____________________?
Fine-graned rocks formed on earth crust are called____________________?A. Intensive igneous rock
B. Extrusive rock
C. Sedimentary rock
D. PlutonicThe safe limit of No2 in drinking water is_____________________?
The safe limit of No2 in drinking water is_____________________?A. 10 mg L-1
B. 15 mg L-1
C. 20 mg L-1
D. None of the aboveWeathering process-physical, chemical, and biological _______________, the rocks and minerals into simpler products which either accumulate in place or are transported to other places where they become soil parent materials?
Weathering process-physical, chemical, and biological _______________, the rocks and minerals into simpler products which either accumulate in place or are transported to other places where they become soil parent materials?A. Disintegrate
B. Disentigrate
C. Decompose
D. Both a & c