Which element is found highest in earth crust?
Which element is found highest in earth crust?
A. Aluminum
B. Silicon
C. Sodium
D. None of the above
A. Aluminum
B. Silicon
C. Sodium
D. None of the above
A. 55.5 mol/L
B. 45.5 mol/L
C. Both a and b
D. none of these
A. Mar-3
B. Mar-15
C. March-21
D. None of the above
A. Sedimentary rocks
B. Metamorphic rocks
C. Aqueous rocks
D. both A & C
A. Protozoa
B. Virus
C. Both a & b
D. None of the above
A. C6H12O6
B. C12H24O12
C. C3H6O6
D. C5H12O6
A. Alkalization
B. Desalinization
C. Salinization
D. All off these