The albedo of the earth is:__________?
The albedo of the earth is:__________?
A. 10%
B. 20%
C. 30%
D. 35%
A. 10%
B. 20%
C. 30%
D. 35%
A. Lime
B. Sulphuric acid
C. Urea
D. All the above
A. 2-3 weeks
B. 4-6 weeks
C. 4-8 weeks
D. 10 weeks
A. NaHCO3
B. Na2CO3
C. MgSO4
Both a & b
A. Silvering
B. Piffiness
C. Cracking
D. All of the above
A. SO
B. SO3
C. SO2
D. None of the above
A. Chelate
B. Solution complex
C. Complex ion
D. All the above