A. Pyruive acid
B. 2-ketoghconic acid
C. Carbon dioxide
D. Phospheric acid
A. Water
B. Petrol
C. Soil
D. Gas
A. Granulation
B. Tillage
C. Tilth
D. All the above
A. Lysimeter
B. Hydrometer
C. Thermometer
D. All the above
A. Clay
B. Silt
C. Sand
D. Gravel
A. Iron
B. Kaolinite
C. Salt
D. None of the above
A. Lessivage
B. Pedoturbation
C. Leaching
D. Enrichment
A. Adhesion
B. Cohesion
C. Vander wall
D. All the above
A. Soil
B. Water
C. Volcanic ash
D. Consolidated ash
A. Purr ice
B. Mafic
C. Scoria
D. Felsic