The right sequence of horizons of the soil from top to bottom is
A. A, B, C, O, R
B. O, A, B, C, R
C. C, A, B, O, R
D. R, C, B, A, O
Answer:B
The right sequence of horizons of the soil from top to bottom is
A. A, B, C, O, R B. O, A, B, C, R C. C, A, B, O, R D. R, C, B, A, O